2025

382. R.A. Wessel, EU Competences in the Field of Trade and Investment, in P. Delimatsis and A. Dimopoulos (Eds.), Research Handbook on EU Trade and Investment Law, Cheltenham/Northampton: Edward Elgar Publishing, 2025 (in progress)

381. V. Szép and R.A. Wessel, Overcoming Legal Challenges of Coherence and Effectiveness in EU Foreign and Security Policy, in Special Issue: Overcoming Challenges of Coherence and Effectiveness of EU Foreign Policy, European Foreign Affairs Review, 2025 (planned)

380. C. Hillion and R.A. Wessel, The Jurisdiction of the Court of Justice in Relation to CFSP: Are There Still Any Limits?, in S. Blockmans and P. Koutrakos (Eds.), Research Handbook in EU Common Foreign and Security Policy, Cheltenham/Northampton: Edward Elgar Publishing, 2nd edition, 2025/26 (in progress)

379. J. Karpiuk and R.A. Wessel, EU Delegation Establishment Agreements with Third States: Positioning the EU in International Diplomatic Law, 2025 (in progress)

378.  R.A. Wessel and J. Larik (eds.), EU External Relations Law: Text, Cases and Materials (3rd edition), Oxford: Hart Publishing, 2025 (in progress)

377. T. Molnár and R.A. Wessel, The EU and International Law, in R.A. Wessel and J. Larik (Eds.), EU External Relations Law: Text, Cases and Materials (3rd edition), Oxford: Hart Publishing, 2025 (forthcoming)

376. V. Szép and R.A. Wessel, Common, Foreign, Security and Defence Policy, in R.A. Wessel and J. Larik (Eds.), EU External Relations Law: Text, Cases and Materials (3rd edition), Oxford: Hart Publishing, 2025 (forthcoming)

375. J. Larik and R.A. Wessel, Instruments of External Action, in R.A. Wessel and J. Larik (Eds.), EU External Relations Law: Text, Cases and Materials (3rd  edition), Oxford: Hart Publishing, 2025 (forthcoming)

374. J. Odermatt and R.A. Wessel, EU Law and Global Challenges: Introduction to the Theme, in J. Odermatt and R.A. Wessel (eds.), Research Handbook on EU Law and Global Challenges, Edward Elgar Publishing, 2025 (in progress)

373. J. Odermatt and R.A. Wessel (eds.), Research Handbook on EU Law and Global Challenges, Edward Elgar Publishing, 2025 (in progress)

372. J. Lindeboom and R.A. Wessel, A Unitary but Multi-level Legal Order: EU Regulations in the Netherlands, in A. Łazowski and A. Sikora (Eds), EU Regulations in Practice: Legislative and Judicial Approaches, Hart Publishing, 2025 (forthcoming)

371. T. de Zee, J. Jansen, L. Jager, M. Neuman & R.A. Wessel, Introduction: A Geopolitical Europe in the Making?, in M. Neuman, R.A. Wessel and T. de Zee (eds.), The EU in a Globalising World, The Hague: T.M.C. Asser Press, 2025 (in progress)

370. M. Neuman, R.A. Wessel and T. de Zee (eds.), The EU in a Globalising World, The Hague: T.M.C. Asser Press, 2025 (in progress)

369. G. Kübek and R.A. Wessel, Governing Sustainability through Trade in EU External Relations: New Developments and Challenges, in J. Bergamaschine Mata Diz (ed.), Trade and Sustainable Development: The Foreign Relations of the European Union, 2025 (forthcoming)

2024

368. R.A. Wessel, Ontwikkelingen in het Europees defensiebeleid: bevoegdheden en beperkingen, SEW Tijdschrift voor Europees en economisch recht, 2024 (accepted, forthcoming December)

367. G. Kübek and R.A. Wessel, EU-handelsakkoorden als duurzaamheidsinstrumenten: uitdagingen in de ‘nieuwe aanpak’, Nederlands Tijdschrift voor Europees Recht, 2024 (forthcoming)

366. T. Molnár and R.A. Wessel, Interactions between EU Law and International Law: Juxtaposed Perspectives, Edward Elgar Publishing, 2024

365. S.E. Akdoğan, J. Péret J.B. Mata Diz, R.A. Wessel, Introduction: EU External Relations Law and Sustainability, in R.A. Wessel, J.B. Mata Diz,  J. Péret, S.E. Akdoğan (eds.), EU External Relations Law and Sustainability: The EU, Third States and International Organizations, The Hague: T.M.C. Asser Press, 2024 (forthcoming)

364. R.A. Wessel, J.B. Mata Diz,  J. Péret, S.E. Akdoğan (eds.), EU External Relations Law and Sustainability: The EU, Third States and International Organizations, The Hague: T.M.C. Asser Press, 2024 (forthcoming)

363. J. Buckesfeld and R.A. Wessel, 'The Effect of Opinion 1/17 on the EU-ECHR Draft Accession Agreement: Lessons Learned?', in S.Ø. Johansen, G. UIfstein, A. Føllesdal, R.A. Wessel (Eds.), The Revised Draft Agreement on the Accession of the EU to the ECHR, Special Section, European Papers, 2024 (forthcoming)

362. S.Ø. Johansen, G. UIfstein, A. Føllesdal, R.A. Wessel, The Revised Draft Agreement on the Accession of the EU to the ECHR: An Introduction to the Special Section, in S.Ø. Johansen, G. UIfstein, A. Føllesdal, R.A. Wessel (Eds.), The Revised Draft Agreement on the Accession of the EU to the ECHR, Special Section, European Papers, 2024 (forthcoming)

361. S.Ø. Johansen, G. UIfstein, A. Føllesdal, R.A. Wessel (Eds.), The Revised Draft Agreement on the Accession of the EU to the ECHR, Special Section, European Papers, 2024 (forthcoming)

360. V. Szép, R.A. Wessel and E. Zonta, The EU Blocking Statute and Anti-Coercion Instrument, Oxford Encyclopedia of EU Law, 2024

359. R.A. Wessel, Principles of EU External Action, Edward Elgar EU Law Encyclopedia, 2024 (forthcoming)

358. P. Palchetti and R.A. Wessel, Our Love for the EU (But is it an International Organization?), in N. Blokker and R.A. Wessel (Eds.), The Love for International Organizations, Special Issue, International Organizations Law Review, 2024 (forthcoming)

357. N. Blokker and R.A. Wessel (Eds.), The Love for International Organizations, Special Issue, International Organizations Law Review, 2024 (forthcoming)

356. N. Blokker and R.A. Wessel, The Love for International Organizations: Introduction to the Special Issue, International Organizations Law Review, 2024 (forthcoming)

355. E. Kassoti and R.A. Wessel (Eds.), The European Union’s External Action: Third State Perspectives and Recommendations, 2024

354.  B. Becerril Atienza, A. Bendiek, J. Jokela, S. Lange, S. Vandenbosch, R.A. Wessel, Kako se znebiti veta v zunanji in varnostni politiki EU, DELO, 8 August 2024

353. B. Becerril Atienza, A. Bendiek, J. Jokela, S. Lange, S. Vandenbosch, R.A. Wessel, ¿Cómo librarse de los vetos en la Política Exterior y de Seguridad de la UE?, Política Exterior, 2024

352. J. Jokela and R.A. Wessel, EU:n ulko- ja turvallisuuspolitiikka kaipaa määräenemmistöpäätöksiä, Helsingin Sanomat, 28 June, 2024

351. B. Becerril Atienza, A. Bendiek, J. Jokela, S. Lange, S. Vandenbosch, R.A. Wessel, How to Get Rid of Vetoes in EU Foreign and Security Policy?, Editorial, European Foreign Affairs Review, 2024, 227-230

350. R.A. Wessel, Naar een supranationaal EU defensiebeleid?, Parlement en Wetenschap, 2024

349. P.R. Polak and R.A. Wessel, The Emergence of EU Withdrawal Law, Common Market Law Review, 2024, 167-194

348. P. Merkouris and R.A. Wessel, The European Union and the Interpretation of International Customary Law: An Introduction, in P. Merkouris, R.A. Wessel and I.T. de Vries-Zou (eds.), The European Union and the Interpretation of International Customary Law, CLEER Papers, 2024, pp. 5-10

347. P. Merkouris, R.A. Wessel and I.T. de Vries-Zou (eds.), The European Union and the Interpretation of International Customary Law, CLEER Papers, 2024

346. F. Casolari and R.A. Wessel, EU Member States as States: Between EU and International Roles and Obligations, in K. Armstrong, J. Scott, and A.Thies (Eds.), EU External Relations and the Power of Law, Oxford: Hart Publishing, 2024 (forthcoming August 2024)

345. W. Geelgoed, V. Szép and R.A. Wessel, Restrictive Measures, in V. Mitsilegas, P. Caeiro and S. Gless (Eds.), Elgar Encyclopedia of Criminal Law and Criminal Justice, Edward Elgar, 2024

342. J. Lindeboom and R.A. Wessel, Introduction: European Integration, EU Autonomy, and Legal Theory, European Papers (2023/3), Special Issue, 2024

341. J. Lindeboom and R.A. Wessel (eds.), Legal Theory, the Autonomy of EU Law and European Integration, European Papers (2023/3) Special Issue, 2024

2023

344. E. Kassoti and R.A. Wessel, Strategic Autonomy: The Legal Contours of a Security Policy Construct – Introduction, European Foreign Affairs Review, Special Issue, No. 4, 2023, 305-309

343. E. Kassoti and R.A. Wessel (eds.), Strategic Autonomy: The Legal Contours of a Security Policy Construct, European Foreign Affairs Review, Special Issue, No. 4, 2023

340. V. Szép and R.A. Wessel, Making Faster and Better Decisions in EU Common Foreign and Security Policy, ENGAGE Policy Brief, July 2023

339. V. Szép and R.A. Wessel, Assessing Current CFSP Structures and Processes and Formulating Recommendations, ENGAGE Working Paper Series, April 2023

338. Redactionele Signalen – De toetreding van de EU tot het EVRM, SEW Tijdschrift voor Europees en economisch recht, June 2023, 257

337. G. Fernández Arribas and R.A. Wessel, Promoting the Rule of Law through EU External Relations and the Principle of Non-Intervention under International Law, in L. Hinojosa and C. Pérez-Bernárdez (Ed.),  Enhancing the Rule of Law in the EU's External Action, Edward Elgar, 2023, pp. 41-62

336. V. Szép, R.A. Wessel, M. Vandendriessche, E. Uzin, C. Moreno, H. Ojanen, H. Kakko, A. Väisänen, L. Rybnikárová, V. Gubalova , J. Kuruc, Case Studies of the EU’s CFSP Activity, ENGAGE Working Paper Series, April 2023

335. J. Santos Vara and R.A. Wessel (Eds.), New Options for Differentiated Integration in the European Union, Special Section, European Papers, 2022, no. 3, 2023 

334. J. Santos Vara and R.A. Wessel, New Options for Differentiated Integration in the European Union: Introduction to the Special Section, Special Section, European Papers, 2022, no. 3, 2023, 1141-1144

334. A.S. Houdé and R.A. Wessel, A Common Security and Defence Policy: Limits to Differentiated Integration in PESCO?, European Papers, 2022, no. 3, 2023, 1325-1356

332. V. Szép and R.A. Wessel, Balancing Restrictive Measures and Media Freedom: RT France v Council, Common Market Law Review, 2023, 1384-1396

331. T. Nascimento Heim and R.A. Wessel, The Various Dimensions of Cyberthreats: (In)consistencies in the Global Regulation of Cybersecurity, Anales de Derecho, 2023, 39-65

330. E. Kassoti and R.A. Wessel, The Normative Effect of Article 3(5) TEU:  Observance and Development of International Law by the European Union, in P. García Andrade (Ed.), Interacciones entre el Derecho de la Unión Europea y el Derecho Internacional Público, Tirant lo Blanch, 2023, 19-46

2022

329. R.A. Wessel and V. Szép, The implementation of Article 31 of the Treaty on European Union and the use of Qualified Majority Voting: Towards a more effective Common Foreign and Security Policy?, Study Requested by the AFCO committee of the European Parliament, 2022

328. R.A. Wessel and V. Szép, Towards Intelligence Cooperation in the EU?, European Foreign Affairs Review, 2022, 307-312

327. Y. Miadzvetskaya and R.A. Wessel, The Externalisation of the EU’s Cybersecurity Regime: The Cyber Diplomacy Toolbox, European Papers, 2022, no. 1, 413-438

326. J. Odermatt and R.A. Wessel, The European Union’s External Action: Views from the Outside, in Jed Odermatt and Ramses A. Wessel (Eds.), Special Issue: The European Union’s External Action: Views from the Outside, European and the World: A Law Review, 2022, 1-5

325. Y. Kaspiarovich and R.A. Wessel, The Role of Values in EU External Relations: A  Legal Assessment of the EU as a Good Global Actor, in E. Fahey and I. Mancini (Eds.), Understanding the EU as a Good Global Actor: Ambitions, Values and Metrics, 2022, 92-106

324. N. Levrat, Y. Kaspiarovich, C. Kaddous and R.A. Wessel, Torn between Two Lovers: The Application of both EU and International Law to the Participation of the EU and its Member States in International Agreements, in N. Levrat, Y. Kaspiarovich, C. Kaddous and R.A. Wessel (Eds.), The EU and its Member States'Joint Participation in International Agreements, Oxford: Hart Publishing, 2022, 1-19

323. V. Szép, E. Sabatino & R.A. Wessel, Developing Assessment Criteria for Security and Intelligence Cooperation in the EU, ENGAGE Working Paper Series, June 2022

322. Y. Kaspiarovich and R.A. Wessel, Unmixing Mixed Agreements: Challenges and Solutions for Separating the EU and its Member States in Existing International Agreements, in N. Levrat, Y. Kaspiarovich, C. Kaddous and R.A. Wessel (Eds.), The EU and Its Member States' Joint Participation in International Agreements, Oxford: Hart Publishing, 2022, 287-304

321. J. Larik and R.A. Wessel, The EU-UK Post-Brexit Trade Agreement: Forging Partnership or Managing Rivalry?, in A Cygan and A. Lazowski (Eds.), Research Handbook on Legal Aspects of Brexit, Cheltenham/Northampton: Edward Elgar Publishing, 2022, 122-147

320. N. Levrat, Y. Kaspiarovich, C. Kaddous and R.A. Wessel (Eds.), The EU and Its Member States' Joint Participation in International Agreements, Oxford: Hart Publishing, 2022

319. G. Butler and R.A. Wessel (Eds.), EU External Relations Law: The Cases in Context, Hart Publishing , 2022

318: G. Butler and R.A. Wessel, EU External Relations Law and Navigating the Case Law of the Court of Justice of the European Union, in G. Butler and R.A. Wessel, EU External Relations Law: The Case in Context, Oxford: Hart Publishing, 2022, 1-8

317. G. Butler and R.A. Wessel, Jurisdiction of the Court for Non-Contractual Liability and Actions for Damages Claims within the CFSP: Bank Refah Kargaran, in G. Butler and R.A. Wessel, EU External Relations Law: The Case in Context, Oxford: Hart Publishing, 2022, 991-1000

316. R.A. Wessel, International Agreements as an Integral Part of EU Law: Haegeman, in G. Butler and R.A. Wessel, EU External Relations Law: The Cases in Context, Oxford: Hart Publishing, 2022, 35-44

315. P. Bursens, D. De Bièvre, C. Lord, J. Trondal and R.A. Wessel, Concluding Reflections: (Re)Legitimation by Institutional Design?, in P. Bursens, D. De Bièvre, C. Lord, J. Trondal and R.A. Wessel, The Politics of Legitimation in the European Union: Legitimacy Recovered?, Routledge, 2022, 296-303

314. P. Bursens, D. De Bièvre, C. Lord, J. Trondal and R.A. Wessel, Introduction: Legitimacy Recovered? The Politics of Legitimation in the European Union, in P. Bursens, D. De Bièvre, C. Lord, J. Trondal and R.A. Wessel, The Politics of Legitimation in the European Union: Legitimacy Recovered?, Routledge, 2022, 3-16

313. P. Bursens, D. De Bièvre, C. Lord, J. Trondal, R.A. Wessel (Eds.), The Politics of Legitimation in the European Union: Legitimacy Recovered?, Routledge, 2022 

312. R.A. Wessel, General Principles in EU Common Foreign and Security Policy, in V. Morena-Lax, P. Neuvonen, K. Ziegler (Eds.), Research Handbook on General Principles of EU Law, Edward Elgar Publishing, 2022, 607-624

311. R.A. Wessel, The European Union and International Arms Control: Assessing Legal Competences and Instruments, in E.P.J. Myjer and T. Marauhn (Eds.), Research Handbook on International Arms Control Law, Edward Elgar Publishing, 2022, 89-104

310. R.A. Wessel, European External Action Service, in S. Garben, L. Gormley, and K. Purnhagen (Eds.), Oxford Encyclopedia of EU Law, Oxford University Press, 2022

309. R.A. Wessel, High Representative of the Union for Foreign Affairs and Security Policy, in S. Garben, L. Gormley, and K. Purnhagen (Eds.), Oxford Encyclopedia of EU Law, Oxford University Press, 2022

308. J. Larik and R.A. Wessel, De Handels- en Samenwerkingsovereenkomst tussen de EU en het VK: Partnerschap of Conflictbeheersing?, Nederlands Tijdschrift voor Europees Recht, 2022, 1-12

307. V. Szép and R.A. Wessel, The Current Legal Basis and Governance Structures of the EU’s External Action, ENGAGE Working Paper Series, January 2022

2021

306. V. Szép, R.A. Wessel, E. Sabatino, C. Gebhard, and E. Simon , The Current Legal Basis and Governance Structures of the EU’s Defence Activities, ENGAGE Working Paper Series, No.4, December 2021

305. V. Szép and R.A. Wessel, Mapping the Current Legal Basis and Governance Structures of the EU’s CFSP, ENGAGE Working Paper Series, No. 5, December 2021

304. R.A. Wessel, E. Anttila, H. Obenheimer and A. Ursu, The Future of EU Foreign, Security and Defence Policy: Assessing Legal Options for Improvement, European Law Journal, 2020, Issue 5-6, 371--390 (published 8 December 2021)

303. K. Pomorska and R.A. Wessel, Qualified Majority Voting in CFSP: A Solution to the Wrong Problem?, European Foreign Affairs Review, 2021, 351-357

302. R.A. Wessel, Redactionele Signalen –GBVB besluitvorming, SEW Tijdschrift voor Europees en economisch recht, No. 7/8, 2021, 295-296 

301. R.A. Wessel, Foreword, in T. Molnár, EU Return Acquis and its Engagement with International Law: A Two-way Process, Edward Elgar Publishing, 2021, vii-ix

300. J. Odermatt and R.A. Wessel (Eds.), The European Union's External Action: Views from the Outside, Europe and the World: A Law Review, Special Issue, 2021 (Articles are published as and when ready on an on-going basis)

299. R.A. Wessel, European Law and Cyberspace, in N. Tsagourias and R. Buchan (Eds.), Research Handbook on International Law and Cyberspace, 2nd Edition, Cheltenham/Northampton: Edward Elgar Publishing, 2021, 490-507

298. C. Ryngaert en R.A. Wessel, Een nieuw EU-sanctieregime tegen ernstige schendingen van de mensenrechten, Nederlands Tijdschrift voor Europees Recht, 2021, 66-73

297. R.A. Wessel, Legality in EU Common Foreign and Security Policy: The Choice of the Appropriate Legal Basis, in Claire Kilpatrick and Joanne Scott (Eds.) Contemporary Challenges to EU Legality (Collected Courses of the Academy of European Law), Oxford University Press, 2021, 71-99

296. G. Butler and R.A. Wessel, Happy Birthday ERTA! 50 Years of the Implied External Powers Doctrine in EU Law, European Law Blog, 31 March 2021

295. R.A. Wessel, De verdere ‘normalisering’ van het GBVB: Zaak C-134/19 P, Bank Refah Kargaran, SEW Tijdschrift voor Europees en economisch recht, No. 2, 2021, pp. 75-79

294. R.A. Wessel, Redactionele Signalen – Brexit, SEW Tijdschrift voor Europees en economisch recht, No. 2, 2021, p. 41

293. S. Blockmans and R.A. Wessel, The EEAS at Ten: Reason for a Celebration?, European Foreign Affairs Review, 2021, pp. 5-12

292. S. Blockmans, N. Chaban, I. Goldner Lang, G. Marín Durán, J. Orbie, R.A. Wessel, A Note from the Editors – EFAR@25: Between Change and Continuity, European Foreign Affairs Review, 2021, pp. 1-4

291. Steven Blockmans and R.A. Wessel (Eds.), Special issue: The EEAS at Ten: European Diplomacy Fit for the World of Tomorrow, European Foreign Affairs Review, 2021, No. 1, 200 p.

290. E. Kassoti and R.A. Wessel, The Conclusion of Trade Agreements and the EU’s Duty to Respect Human Rights Abroad: Extraterritorial and Territorial Considerations, in N. Cunha Rodrigues and J. Mata Diz (Eds.), Extraterritoriality of EU Economic Law: The Application of EU Economic Law Outside the Territory of the EU, Springer, 2021, pp. 229-249.

289. O. Spijkers, W. Werner and R.A. Wessel, The Phenomenon of Yearbooks in International Law: An Introduction, in O. Spijkers, W. Werners and R.A. Wessel (Eds.), Yearbooks in International Law: History, Function and Future, Netherlands Yearbook of International Law, Volume 50, 2021, pp. 1-6

288. O. Spijkers, W. Werner and R.A. Wessel (Eds.), Yearbooks in International Law: History, Function and Future, Netherlands Yearbook of International Law, Volume 50, 2021

287. W.T. Douma, C. Eckes, P. Van Elsuwege, E. Kassoti, A. Ott and R.A. Wessel, Preface: The Evolving Nature of EU External Relations, in W.T. Douma, C. Eckes, P. Van Elsuwege, E. Kassoti, A. Ott and R.A. Wessel (Eds.) The Evolving Nature of EU External Relations Law, The Hague: T.M.C. Asser Press, 2021, v-ix

286. W.T. Douma, C. Eckes, P. Van Elsuwege, E. Kassoti, A. Ott and R.A. Wessel (Eds.), The Evolving Nature of EU External Relations Law, The Hague: T.M.C. Asser Press, 2021

285. R.A. Wessel, The Participation of Members and Non-Members in EU Foreign, Security and Defence Policy, in W.T Douma, C. Eckes, P. Van Elsuwege, E. Kassoti, A. Ott, and R.A. Wessel (Eds.), EU External Relations Law: European and Global Challenges, The Hague: T.M.C. Asser Press, 2021, pp. 177-204

284. R.A. Wessel, Normative Transformations in EU External Relations: The Phenomenon of 'Soft' International Agreements, West European Politics, No. 1, 2021, pp. 72-92

2020

283. E. Kassoti and R.A. Wessel, The EU's Duty to Respect Human Rights Abroad: The Extraterritorial Applicability of the EU Charter and Due Diligence Considerations, CLEER Papers, 2020

282. A.M. Pelliconi, J.Odermatt and R.A. Wessel, The European Union's External Action and International Law: A View From the Outside, City Law School Research Paper 2020/02, 2020

281. F. Baetens, M. Bronckers, P.J. Kuijper, W. Voermans, and R.A. Wessel, Why The Netherlands Should Ratify CETA, EJIL Talk!, 2020

280. R.A. Wessel, The Principle of Loyal Cooperation in EU Foreign and Security Policy, in L. A Campo, T. Beukers, M. Bulterman, M. Gijzen, J. Langer, L. van Spronsen (Eds.), Loyale Samenwerking binnen de EU: Liber Amicorum voor Ivo van der Steen (open access), Boom Uitgevers, 2020, pp. 271-282

279. R.A. Wessel, Introduction: The Blurring Distinction between Public and Private in International Dispute Resolution, QIL-Questions of International Law, 2020, pp. 1-4

278. E. Kassoti and R.A. Wessel, EU Trade Agreements and the Duty to Respect Human Rights Abroad: Introduction to the Theme, in E. Kassoti and R.A. Wessel (Eds.), EU Trade Agreements and the Duty to Respect Human Rights Abroad, CLEER Papers, 2020, pp. 5-11

277. E. Kassoti and R.A. Wessel (Eds.), EU Trade Agreements and the Duty to Respect Human Rights Abroad, CLEER Papers, 2020

276. R.A. Wessel and J. Larik, Brexit means Brexit? De stand van zaken na de uittreding, SEW Tijdschrift voor Europees en economisch recht, No. 6, June, 2020, pp. 258-264

275. P.J. Cardwell and R.A. Wessel, EU External Relations and International Law: Divergence on Questions of ‘Territory’?, in E. Fahey Ed.), Framing Convergence with the Global Legal Order: The EU and the World, Oxford: Hart Publishing, 2020, pp. 143-161

274. R.A. Wessel, Post-Brexit Participation of the UK in the EU's Foreign, Security and Defence Policy, in J. Santos Vara, R.A. Wessel (Eds.), and P. Polak (Ass.Ed.), The Routledge Handbook on the International Dimension of Brexit, Routledge, 2020, pp. 199-212

273. J. Santos Vara, R.A. Wessel, and P. Polak, The Implications of Brexit for EU and UK External Relations: An Introduction, in J. Santos, R.A. Wessel (Eds.), and P. Polak (Ass.Ed.), The Routledge Handbook on the International Dimension of Brexit, Routledge, 2020, pp. 1-9 

272. J. Santos Vara, R.A. Wessel (Eds.), and P. Polak (Ass.Ed.), The Routledge Handbook on the International Dimension of Brexit, Routledge, 2020

271. L. A Campo, A. Ott and R.A. Wessel, The Netherlands and (Facultative) Mixity: Pragmatism over Principles?, in M. Chamon and I. Govaere (Eds.), EU External Relations Post-Lisbon: The Law and Practice of Facultative Mixity, Brill|Nijhoff, 2020, pp. 317-342

270. R.A. Wessel and J. Larik, The European Union as a Global Actor, in R.A. Wessel and J. Larik (Eds.), EU External Relations Law: Text, Cases and Materials (2nd edition), Oxford: Hart Publishing, 2020, pp. 1-28

269. R.A. Wessel, The EU and International Law, in R.A. Wessel and J. Larik (Eds.), EU External Relations Law: Text, Cases and Materials (2nd edition), Oxford: Hart Publishing, 2020, pp. 139-173

268. R.A. Wessel, Common, Foreign, Security and Defence Policy, in R.A. Wessel and J. Larik (Eds.), EU External Relations Law: Text, Cases and Materials (2nd edition), Oxford: Hart Publishing, 2020, pp. 283-326

267. J. Larik and R.A. Wessel, Instruments of External Action, in R.A. Wessel and J. Larik (Eds.), EU External Relations Law: Text, Cases and Materials (2nd edition), Oxford: Hart Publishing, 2020, pp. 101-137

266. R.A. Wessel and J. Larik (Eds.), EU External Relations Law: Text, Cases and Materials (2nd edition), Oxford: Hart Publishing, 2020

265. T. Nascimento Heim and R.A. Wessel, The Global Regulation of Cybersecurity: A Fragmentation of Actors, Definitions and Norms, in Lucía Millán Moro (dir.) and Gloria Fernández Arribas (ed.), Ciberataques y Ciberseguridad en la Escena Internacional, Madrid: Aranzadi Thomas Reuters, 2020, 146-173

264. S. Donnelly and R.A. Wessel, The International Dimension of the EMU: The Interplay between the Global Financial Stability Architecture and the European Union, in F. Amtenbrink and C. Herrmann (Eds.), The EU Law of Economic and Monetary Union, Oxford: Oxford University Press, 2020, pp. 99-133

2019

263. R.A. Wessel, Friends with Benefits? Possibilities for the UK’s Continued Participation in the EU’s Foreign and Security Policy, European Papers, Volume 4, No. 2, 2019, pp. 427-445 

262. C. Ryngaert, R.A. Wessel, D. Prévost, J. Wouters, Global Constitutionalism, Netherlands International Law Review, 2019

261. R.A. Wessel, Cybersecurity in the European Union: Resilience through Regulation, in E. Conde Pérez, Z. Yaneva, M. Scopelliti (Eds.), Routledge Handbook of EU Security Law and Policy, London/New York: Routledge, 2019, pp. 283-300

260. J. Thomassen and R.A. Wessel, Over in of uit Europa gaat uw stem niet, de Volkskrant, 22 mei 2019

259. R.A. Wessel and J. Odermatt (Eds.), Research Handbook on the European Union and International Organisations, Edward Elgar Publishing, 2019

258. J. Odermatt and R.A. Wessel, The Challenges of Engaging with International Institutions: The EU and Multilateralism under Strain, in R.A. Wessel and J. Odermatt (Eds.), Research Handbook on the European Union and International Organisations, Edward Elgar Publishing, 2019, pp. 658-672

257. R.A. Wessel and J. Odermatt, The European Union’s Interaction with Other International Institutions: Emerging Questions of EU and International Law, in R.A. Wessel and J. Odermatt (Eds.), Research Handbook on the European Union and International Organisations, Edward Elgar Publishing, 2019, pp. 2-24

256. R.A. Wessel, The Jurisdictional Immunity of Regional Organizations: Substantive Unity in Instrumental Diversity?, in Tom Ruys and Nicolas Angelet (Eds.), The Cambridge Handbook of Immunities and International Law, Cambridge University Press, 2019, 214-244

255. N.M. Blokker and R.A. Wessel, Revisiting Questions of Organizationhood, Legal Personality and Membership in the OSCE: The Interplay Between Law, Politics and Practice, in Mateja Platise Steinbrück, Carolyn Moser, Anne Peters (Eds.), The Legal Status of the OSCE, Cambridge: Cambridge University Press, 2019, pp. 135-164

254. R.A. Wessel,  Studying International and European Law: Confronting Perspectives and Combining Interests,  in S. Garben and I. Govaere (Eds.), The Interface between International and EU Law, Oxford: Hart Publishers, 2019, pp. 73-97

2018

253. J. Odermatt and R.A. Wessel, R.A., Multilateralism under Strain: The Challenges of the European Union’s Engagement With International Institutions (Report No. 2018/01). London, UK: The City Law School.

252. C.M. Brölmann, R. Collins, S. El Droubi and R.A. Wessel, Exiting International Organizations: A Brief Introduction, International Organizations Law Review, No. 2, 2018, pp. 243-263

251. C.M. Brölmann, R. Collins, S. El Droubi and R.A. Wessel (Eds.), Special issue on 'Exiting International Organizations', International Organizations Law Review, No. 2, 2018

250. F. Amtenbrink, D. Prevost and R.A. Wessel, Shifting Forms and Levels of Cooperation in International Economic Law: Mapping Trends and Developments, in F. Amtenbrink, D. Prevost and R.A. Wessel (Eds.), Shifting Forms and Levels of Cooperation in International Economic Law: Structural Developments in Trade, Investment and Financial Regulation, Netherlands Yearbook of International Law, The Hague: T.M.C. Asser Press / Berlin/Heidelberg: Springer 2018, pp. ix-xiii

249. F. Amtenbrink, D. Prevost and R.A. Wessel (Eds.), Shifting Forms and Levels of Cooperation in International Economic Law: Structural Developments in Trade, Investment and Financial Regulation, Netherlands Yearbook of International Law, The Hague: T.M.C. Asser Press / Berlin/Heidelberg: Springer 2018

248. R.A. Wessel, Studying International and European Law: Confronting Perspectives and Combining Interests, Grotius Centre Working Paper No 2018/071-PIL; also to appear in S. Garben and I. Govaere (Eds.), The Interface between International and EU Law, Oxford: Hart Publishers, 2019)

247.  R.A. Wessel, Legal Aspects of Parliamentary Oversight in EU Foreign and Security Policy, in Juan Santos Vara and Soledad R. Sánchez-Tabernero (Eds.), The Democratisation of EU International Relations through EU Law, London/New York: Routledge, 2018, pp. 135-154

246. C. Hillion and R.A. Wessel, The Good, the Bad and the Ugly: Three Levels of Judicial Control over the CFSP, in S. Blockmans and P. Koutrakos (Eds.), Research Handbook in EU Common Foreign and Security Policy, Cheltenham/Northampton: Edward Elgar Publishing, 2018, pp. 65-87

245. R.A. Wessel, Integration and Constitutionalisation in EU Foreign and Security Policy, in R. Schütze (Eds.), Globalisation and Governance: International Problems, European Solutions, Cambridge: Cambridge University Press, 2018, pp. 339-375

244. A. Ott and R.A. Wessel, The Netherlands, in J.L.da Cruz Vilaça, N. Piçarra, R. Leandro Vasconcelos and A. Saavedra (Eds.), The External Dimension of the EU Policies: Horizontal Issues; Trade and Investment; Immigration and Asylum, Congress Proceedings XXVIII FIDE Congress, Lisbon/Estoril, Vol. 3, 2018, pp. 755-791

243. R.A. Wessel, Consequences of Brexit for International Agreements Concluded by the EU and its Member States, Common Market Law Review, 2018, pp. 101-132 (published version)

242. R. Kamphof and R.A. Wessel, Analysing Shared Competences in EU External Action: The Case for a Politico-Legal Framework, Europe and the World: A Law Review, No. 1, 2018, pp. 38-64

241. C. Eckes and R.A. Wessel, The European Union: An International Perspective, in T. Tridimas and R. Schütze (Eds.), Oxford Principles of European Union Law − Volume 1: The European Union Legal Order, Oxford: Oxford University Press, 2018, pp. 74-102

2017

240. C. Kaddous and R.A. Wessel (Eds.), The European Union as a Global Actor, Geneva Jean Monnet Working Papers, 2017.

239. M. van der Wel and R.A. Wessel, The Brexit Roadmap: Mapping the Choices and Consequences During the EU/UK Withdrawal and Future Relationship Negotiations, CLEER Papers, No. 5, 2017, pp. 1-98.

238. R.A. Wessel, Rosneft: de rol van de nationale rechter in het EU buitenlands en veiligheidsbeleid, Ars Aequi, December, 2017, pp. 1006-1010.

237. C.M. Brölmann, A.G. Oude Elferink, A.J.J. de Hoogh, L.J. van den Herik, N.M.C.P. Jägers, J.G. Lammers, A. Rosenboom, and R.A. Wessel, Latere overeenstemming of gebruik met betrekking tot de interpretatie van verdragen, CAVV Advisory Report, 2017

236. C.M. Brölmann, A.G. Oude Elferink, A.J.J. de Hoogh, L.J. van den Herik, N.M.C.P. Jägers, J.G. Lammers,  A. Rosenboom, and R.A. Wessel, De identificatie van internationaal gewoonterecht, CAVV Advisory Report, 2017

235. A. Ott and R.A. Wessel (Eds.), The External Dimension of EU Policies: National Report of The Netherlands, International Federation of European Law (FIDE), 2017

234. C. Hillion and R.A. Wessel, The European Union and International Dispute Settlement: Mapping Principles and Conditions, in M. Cremona, A. Thies and R.A. Wessel (Eds.), The European Union and International Dispute Settlement, Oxford: Hart Publishing, 2017, pp. 7-30

233. M. Cremona, A. Thies and R.A. Wessel, The European Union and International Dispute Settlement: Introduction, in M. Cremona, A. Thies and R.A. Wessel (Eds.), The European Union and International Dispute Settlement, Oxford: Hart Publishing, 2017, pp. 1-4

232. M. Cremona, A. Thies and R.A. Wessel (Eds.), The European Union and International Dispute Settlement, Oxford: Hart Publishing, 2017

231. R.A. Wessel, De bevoegdheid van de Europese Unie tot het sluiten van ‘nieuwe generatie’ vrijhandelsverdragen: Mixed feelings over Advies 2/15, Nederlands Tijdschrift voor Europees Recht, No. 5, 2017, pp. 126-132

230. C. Eckes and R.A. Wessel, The European Union: An International Perspective,  Amsterdam Centre for European Law and Governance Research Paper No. 2017-01 (also forthcoming in T. Tridimas and R. Schütze (Eds.), Oxford Principles of European Union Law − Volume 1: The European Union Legal Order, Oxford: Oxford University Press, 2018)

229. E. Kica and R.A. Wessel, Transnational Arrangements in the Governance of Emerging Technologies: The Case of Nanotechnology, in E. Stokes, D. Bowman and A. Rip (Eds.), Embedding and Governing New Technologies: A Regulatory, Ethical & Societal Perspective, Singapore: Pan Stanford Publishing, 2017, pp. 217-255

228. G. Van der Loo and R.A. Wessel, The Non-Ratification of Mixed Agreements: Legal Consequences and Options, Common Market Law Review, 2017, No. 3, pp. 735–770

227. A. Łazowski and R.A. Wessel, The External Dimension of Withdrawal from the European Union, Revue des Affaires Européennes, 2016/4, 2017, pp. 623-638

226. C.M. Brölmann, A.G. Oude Elferink, A.J.J. de Hoogh, L.J. van den Herik, N.M.C.P. Jägers, J.G. Lammers, P.A. Nollkaemper, A. Rosenboom, and R.A. Wessel, Mogelijkheden, betekenis en wenselijkheid van het gebruik door politici van de term genocide, CAVV/EVA Advisory Report, 2017

225. R.A. Wessel and T. Takács, Constitutional Aspects of the EU’s Global Actorness: Increased Exclusivity in Trade and Investment and the Role of the European Parliament, European Business Law Review (special issue on The European Union as a Global Model for Trade and Investment edited by L. Pantaleo, M. Andenas and C. Reul), 2017, pp. 103-117 (SSRN)

224. R.A. Wessel, De procedure om de Europese Unie te verlaten. Een interpretatie van artikel 50 VEU, SEW Tijdschrift voor Europees en economisch recht, no. 1, 2017, pp. 2-10

2016

223. R.A. Wessel, The EU Solution to Deal with the Dutch Referendum Result on the EU-Ukraine Association Agreement, European Papers, European Forum, 22 December 2016, pp. 1-5

222. R.A. Wessel, You Can Check Out Any Time You Like, But Can You Really Leave? On ‘Brexit’ And Leaving International Organizations, International Organizations Law Review, No. 2, 2016, pp. 197-209

221. R.A. Wessel, Flipping the Question: The Reception of EU Law in the International Legal Order, Oxford Yearbook of European Law, 2016, pp. 533-561 (published version)

220. R.A. Wessel and E. Kica, Political Economy and the Decisions of International Organizations: Choosing Governance Arrangements through Informality, in A. Fabbricotti (Ed.), The Political Economy of International Law: A European Perspective, Cheltenham/Northhampton: Edward Elgar Publishing, 2016, pp. 127-158 (also available on SSRN)

219. R.A. Wessel, Executive Boards and Councils, in J. Cogan, I. Hurd and I. Johnston (Eds.), Oxford Handbook of International Organizations, Oxford: Oxford University Press, 2016, pp. 802-821

218. R.A. Wessel, Lex Imperfecta: Law and Integration in European Foreign and Security Policy, European Papers: A Journal on Law and Integration, No. 2, 2016, pp. 439-468

217. I.F. Dekker and R.A. Wessel, Identities of States in International Organizations, 12 International Organizations Law Review (2015), 2016, pp. 293-318; also published in A.S. Barros, C. Ryngaert and J. Wouters (Eds.), International Organizations and Member State Responsibility: Critical Perspectives, Leiden/Boston: Brill | Nijhoff, 2016, pp. 8-33

216. R.A. Wessel, Reparation for Injuries Suffered in the Service of the United Nations, in C. Ryngaert, I.F. Dekker, R.A. Wessel and J. Wouters (Eds.), Judicial Decisions on the Law of International Organizations, Oxford: Oxford University Press, 2016, pp. 11-18

215. I.F. Dekker and R.A. Wessel, Prosecutor v. Duško Tadić, in C. Ryngaert, I.F. Dekker, R.A. Wessel and J. Wouters (Eds.), Judicial Decisions on the Law of International Organizations, Oxford: Oxford University Press, 2016, pp. 127-137

214. C. Ryngaert, I.F. Dekker, R.A. Wessel and J. Wouters, General Introduction, in C. Ryngaert, I.F. Dekker, R.A. Wessel and J. Wouters (Eds.), Judicial Decisions on the Law of International Organizations, Oxford: Oxford University Press, 2016, pp. 1-5

213. R.A. Wessel, Legal Status (Personality), in C. Ryngaert, I.F. Dekker, R.A. Wessel and J. Wouters (Eds.), Judicial Decisions on the Law of International Organizations, Oxford: Oxford University Press, 2016, pp. 6-10.

212. C. Ryngaert, I.F. Dekker, R.A. Wessel and J. Wouters (Eds.), Judicial Decisions on the Law of International Organizations, Oxford: Oxford University Press, 2016

211. R.A. Wessel, Institutional Lawmaking: The Emergence of a Global Normative Web, in C. Bröllman and Y. Radi (Eds.), Research Handbook on the Theory and Practice of International Lawmaking, Cheltenham/Northampton: Edward Elgar Publishing, 2016, pp. 179-199

210. R.A. Wessel, Common Foreign, Security and Defence Policy, in D. Patterson and A. Södersten (Eds.), A Companion to European Union Law and International Law, Oxford/Malden: Wiley-Blackwell, 2016, pp. 394-412

209. R.A. Wessel and S. Blockmans, The Legal Status and Influence of Decisions of International Organizations and other Bodies in the European Union, in P. Eeckhout, M. Lopez-Escudero (Eds.), The European Union’s External Action in Times of Crisis, Hart Publishing, 2016, pp. 223-248

208. R.A. Wessel and A. Łazowski, Dutch farce on Ukraine: Is there a way out?, EUobserver, 8 April 2016

207. R.A. Wessel and A. Łazowski, Wat nu? Opties voor de regering na het Oekraïne-referendum, de Volkskrant, 7 April 2016

206. R. Torenvlied, E. Giebels, R.A. Wessel, J. Gutteling, M. Moorkamp, W. Broekema, Leren van de crisis rond vlucht MH17, Magazine nationale veiligheid en crisisbeheersing, No. 2, 2016, p. 22.

205. R. Torenvlied, E. Giebels, R.A. Wessel, J. Gutteling, M. Moorkamp, W. Broekema, Evaluatie nationale crisisbeheersingsorganisatie vlucht MH17, Magazine nationale veiligheid en crisisbeheersing, No. 2, 2016, pp. 4-5.

204. R. Torenvlied, R.A. Wessel, M. Moorkamp, W. Broekema, Functioneren van de nationale crisisbeheersingsorganisatie vlucht MH17, Magazine nationale veiligheid en crisisbeheersing, No. 2, 2016, pp. 6-9.

203. M.A. Heldeweg and R.A. Wessel, The Appropriate Level of Enforcement in Multilevel Regulation: Mapping Issues in Avoidance of Regulatory Overstretch, 5 International Law Research, No. 1, 2016, pp. 16-31

202. C.M. Brölmann, A.G. Oude Elferink, T. D. Gill, L.J. van den Herik, N.M.C.P. Jägers, J.G. Lammers, W.G. Werner and R.A. Wessel, The Responsibility of International Organisations, CAVV Advisory Report No. 27, 2016

2015

201. R. Torenvlied, E. Giebels, R.A. Wessel, J.M. Gutteling, M. Moorkamp, W.G. Broekema, Evaluatie Nationale Crisis-Beheersingsorganisatie Vlucht MH17, Den Haag/Enschede, 2015

200. P. Kerres and R.A. Wessel, Apples and Oranges? Comparing the European Union Delegations to National Embassies, CLEER Papers, No.2, 2015

199. R.A. Wessel, Immunities of the European Union, in N.M. Blokker and N.S. Schrijver (Eds.), Immunities of International Organizations, Boston/Leiden: Martinus Nijhoff Publishers, 2015 (also published in International Organizations Law Review, 2014)

198. E.E. de Lange, R.A. Wessel en N.S. Groenendijk, Europa als kans: Better Regulation voor Nederlandse medeoverheden, Ministerie van Binnenlandse Zaken en Koninkrijksrelaties, 2015

197. R.A. Wessel and A. Łazowski, Tijd voor externe controle op de mensenrechten binnen de Europese Unie? De (niet) toetreding van de EU tot het EVRM, Ars Aequi, No. 1, 2015, p. 179-212

196. R.A. Wessel, Resisting Legal Facts: Are CFSP Norms as Soft as They Seem?, European Foreign Affairs Review, 2015, pp. 123-146

195. C.M. Brölmann, A.G. Oude Elferink, T. D. Gill, L.J. van den Herik, N.M.C.P. Jägers, J.G. Lammers, W.G. Werner and R.A. Wessel, Autonome wapensystemen: de noodzaak van betekenisvolle menselijke controle, CAVV Advisory Report No. 26 (joint report with the AIV, No. 97), 2015

194. M. Ambrus and R.A. Wessel, Between Pragmatism and Predictability: Temporariness in International Law, in M. Ambrus and R.A. Wessel (Eds.), Between Pragmatism and Predictability: Temporariness in International Law, Netherlands Yearbook of International Law, The Hague: T.M.C. Asser Press / Springer, 2015, pp. 3-17. A shorter version appeared in the ESIL Reflections, Vol. 4, Issue 4, 2015

193. M. Ambrus and R.A. Wessel (Eds.), Between Pragmatism and Predictability: Temporariness in International Law, Netherlands Yearbook of International Law, The Hague: T.M.C. Asser Press / Springer, 2015.

192. G. De Baere and R.A. Wessel, EU Law and the EEAS: Of Complex Competences and Constitutional Consequences, in J. Bátora and D. Spence (Eds.), The European External Action Service: European Diplomacy Post-Westphalia, Basingstoke: Palgrave MacMillan, 2015, pp. 175-193

191. R.A. Wessel, International Governmental Organizations as Non-State Actors, in M. Noortmann, A. Reinisch and C. Ryngaert (Eds.), Non-State Actors in International Law, Oxford: Hart Publishing, 2015, pp. 185-203

189. R.A. Wessel, The Legal Dimension of European Foreign Policy, in K.E. Jørgensen, Å.K. Aarstad, E. Drieskens, K. Laatikainen and B. Tonra (Eds.), The SAGE Handbook of European Foreign Policy, Vol. 1 & 2, London: Sage, 2015, pp. 306-319

188. R.A. Wessel, Towards EU Cybersecurity Law: Regulating a New Policy Field, in N. Tsagourias and R. Buchan (Eds.), Research Handbook on International Law and Cyber Space, Cheltenham/Northhampton: Edward Elgar Publishing, 2015, pp. 403-425

187. R.A. Wessel, Revealing the Publicness of International Law, in C. Ryngaert, E.J. Molenaar, and S. Nouwen (Eds.), What’s Wrong With International Law? – Liber Amicorum A.H.A. Soons, Leiden/Boston: Martinus Nijhoff Publishers, 2015, pp. 449-466

186. A. Łazowski and R.A. Wessel, When Caveats turn into Locks: Opinion 2/13 on Accession of the European Union to the ECHR, German Law Journal, 2015, pp. 179-212

185. R.A. Wessel, De Europese Unie en de grenzen van het internationaal recht, Internationale Spectator, January, 2015

184. A. Łazowski and R.A. Wessel, The European Court of Justice Blocks the EU’s Accession to the ECHR, CEPS Commentary, 2015

2014

183. C. Matera and R.A. Wessel, Context or Content? A CFSP or AFSJ Legal Basis for EU International Agreements – Case C-658/11, European Parliament v Council (Mauritius Agreement), Revista de Derecho Comunitario Europeo, 2014, pp. 1047-1064

182. C.M. Brölmann, A.G. Oude Elferink, T. D. Gill, L.J. van den Herik, N.M.C.P. Jägers, P.J. Kuyper, J.G. Lammers, W.G. Werner and R.A. Wessel, Humanitarian Assistance, CAVV Advisory Report No. 25, 2014

181. R.A. Wessel and S. Blockmans, The Legal Status and Influence of Decisions of International Organizations and other Bodies in the European Union, College of Europe Research Papers in Law, No. 01/2104, 2014

180. C.M. Brölmann, A.G. Oude Elferink, T. D. Gill, L.J. van den Herik, N.M.C.P. Jägers, P.J. Kuyper, J.G. Lammers, W.G. Werner and R.A. Wessel, Extern optreden van de Europese Unie en internationaal recht / European Union External Action and International Law, CAVV Advisory Report No. 24, 2014

179. B. Van Vooren and R.A. Wessel, EU External Relations Law: Text, Cases and Materials, Cambridge: Cambridge University Press, 2014

178. J. Pauwelyn, R.A. Wessel and J. Wouters, When Structures Become Shackles: Stagnation and Dynamics in International Lawmaking, European Journal of International Law, 2014, No. 3, pp. 733-763 (ISI)

177. S. Duquet, J. Pauwelyn, R.A. Wessel and J. Wouters, Upholding the Rule of Law in Informal International Lawmaking Processes, Hague Journal on the Rule of Law, 2014, pp. 75-95

176. R.A. Wessel, Immunities of the European Union, International Organizations Law Review, 2014, pp. 395-418

175. J. Pauwelyn, R.A. Wessel and J. Wouters, Informal International Law as Presumptive Law: Exploring New Modes of Law-Making, in R. Liijova and J. Petman (Eds.), International Law-Making: Essays in Honour of Jan Klabbers, London/New York: Routledge, 2014, pp. 75-102

2013

174. R.A. Wessel, The Legal Framework for the Participation of the European Union in International Institutions, in S. Oberthür, K.E. Jorgenson and J. Shahin (Eds.), The Performance of the EU in International Institutions, London/New York: Routledge, 2013, pp. 23-37 (also published in Journal of European Integration, 2011)

173. R.A. Wessel, Can the European Union Replace its Member States in International Affairs? An International Law Perspective, in I. Govaere, E. Lannon, P. Van Elsuwege, S. Adam (Eds.), The European Union in the World: Essays in Honour of Marc Maresceau, Leiden/Boston: Martinus Nijhoff Publishers, 2013, pp. 129-147

172. R.A. Wessel, Close Encounters of the Third Kind: The Interface Between the EU and International Law after the Lisbon Treaty, Stockholm: Sieps Report, 2013, 106 p.

171. S. Blockmans, M. Cremona, D. Curtin, G. De Baere, S. Duke, C. Eckes, C. Hillion, B. Van Vooren, R. Wessel, and J. Wouters, European External Action Service 2.0: Recommendations for the 2013 EEAS Review, edited by S. Blockmans and C. Hillion, Brussels: CEPS / Stockholm: Sieps / Florence: EUI, 2013

170. M.M.T.A. Brus, K.C.J.M. Arts, C.M. Brölmann, A.G. Oude Elferink, T. D. Gill, L.J. van den Herik, N.M.C.P. Jägers, J.G. Lammers, W.G. Werner, R.A. Wessel, Armed Drones, CAVV Advisory Report No. 23, 2013

169. R.A. Wessel and B. Van Vooren, The EEAS’ Diplomatic Dreams and the Reality of International and European Law, Journal of European Public Policy, Issue 9, 2013, pp. 1350-1367 (ISI)

168. R.A. Wessel and R. Böttner, Initiatives in CFSP; Extraordinary Council Meetings – Art. 30 TEU, in H.-J. Blanke and S. Mangiameli (Eds.), The Treaty on European Union (TEU): A Commentary, Berlin/Heidelberg: Springer, 2013, pp. 1041-1050

167. R.A. Wessel and R. Böttner, Procedures for the Adoption of CFSP Decisions – Art. 31 TEU, in H.-J. Blanke and S. Mangiameli (Eds.), The Treaty on European Union (TEU): A Commentary, Berlin/Heidelberg: Springer, 2013, pp. 1051-1075

166. A. Sari and R.A. Wessel, International Responsibility for EU Military Operations: Finding the EU’s Place in the Global Accountability Regime, in B. Van Vooren, S. Blockmans and J. Wouters (Eds.), The EU’s Role in Global Governance: The Legal Dimension, Oxford: Oxford University Press, 2013, pp. 126-141

165. R.A. Wessel and L. den Hertogh, EU Foreign, Security and Defence Policy: A Competence-Responsibility Gap?, in M. Evans and P. Koutrakos (Eds.), International Responsibility: EU and International Perspectives, Oxford: Hart Publishing, 2013, pp. 339-358

164. N.M. Blokker and R.A. Wessel, First Views at the Articles on The Responsibility of International Organizations, International Organizations Law Review, 2012, no. 1, 2013, pp. 1-6

163. S. Blockmans, M. Cremona, D. Curtin, G. De Baere, S. Duke, C. Eckes, C. Hillion, B. Van Vooren, R. Wessel, and J. Wouters, EEAS 2.0: A Legal Commentary on Council Decision 2010/427/EU Establishing the Organisation and Functioning of the European External Action Service, edited by S. Blockmans and C. Hillion, Brussels: CEPS / Stockholm: Sieps / Florence: EUI, 2013, 105 p.

162. S. Blockmans and R.A. Wessel, The Influence of International Organisations on the EU and its Legal Order: Between Autonomy and Dependence, in R.A. Wessel and S. Blockmans (Eds.), Between Autonomy and Dependence: The EU Legal Order Under the Influence of International Organisations, The Hague: T.M.C. Asser Press/Springer, 2013, pp. 297-312

161. R.A. Wessel and S. Blockmans, Between Autonomy and Dependence: The EU Legal Order Under the Influence of International Organisations – An Introduction, in R.A. Wessel and S. Blockmans (Eds.), Between Autonomy and Dependence: The EU Legal Order Under the Influence of International Organisations, The Hague: T.M.C. Asser Press/Springer, 2013, pp. 1-9

160. R.A. Wessel and S. Blockmans (Eds.), Between Autonomy and Dependence: The EU Legal Order Under the Influence of International Organisations, The Hague: T.M.C. Asser Press/Springer, 2013

2012

159. A. Sari and R.A. Wessel (Eds.), Human Rights in EU Crisis Management Operations: A Duty to Respect and to Protect?, The Hague: CLEER Working Paper series, 2012

158. A. Sari and R.A. Wessel, Human Rights in EU Crisis Management Operations: A Duty to Respect and to Protect?, in A. Sari and R.A. Wessel (Eds.), Human Rights in EU Crisis Management Operations: A Duty to Respect and to Protect?, The Hague: CLEER Working Paper series, 2012, pp. 7-10

157. S. Blockmans and R.A. Wessel, Introduction: Principles and Practices of EU External Representation, in S. Blockmans and R.A. Wessel (Eds.), Principles and Practices of EU External Representation, The Hague: CLEER Working Paper series, 2012, pp. 7-10

156. B. van Vooren and R.A. Wessel, External Representation and the European External Action Service: Selected Legal Challenges, in S. Blockmans and R.A. Wessel (Eds.), Principles and Practices of EU External Representation, The Hague: CLEER Working Paper series, 2012, pp. 59-82

155. S. Blockmans and R.A. Wessel (Eds.), Principles and Practices of EU External Representation, The Hague: CLEER Working Paper series, 2012

154. N. Chowdhury and R.A. Wessel, Conceptualizing Multilevel Regulation in the EU: A Legal Translation of Multilevel Governance?, European Law Journal, No. 3, 2012, pp. 335–357 (ISI)

153. J. Pauwelyn, R.A. Wessel, J. Wouters, A. Berman, and S. Duquet, Introduction and Key Issues Surrounding Informal International Lawmaking, in A. Berman, S. Duquet J. Pauwelyn, R.A. Wessel, and J. Wouters, (Eds.), Informal International Lawmaking: Case Studies, The Hague: Torkel Opsahl Academic EPublisher, 2012, pp. 1-5

152. A. Berman, S. Duquet J. Pauwelyn, R.A. Wessel, and J. Wouters, (Eds.), Informal International Lawmaking: Case Studies, The Hague: Torkel Opsahl Academic EPublisher, 2012

151. R.A. Wessel, Between the Authority of International Law and the Autonomy of EU Law, in J. Díez-Hochleitner, C. Martínez Capdevila, I. Blázquez Navarro, and J. Frutos Miranda (Eds.), Últimas tendencias en la jurisprudencia del Tribunal de Justicia de la Unión Europea (Recent trends in the case law of the Court of Justice of the European Union), Madrid: La Ley-Grupo Wolters Kluwer, 2012, pp. 759-765

150. J. Pauwelyn, R.A. Wessel and J. Wouters, Informal International Lawmaking: An Assessment and Template to Keep it Both Effective and Accountable, in J. Pauwelyn, R.A. Wessel and J. Wouters (Eds.), Informal International Lawmaking, Oxford: Oxford University Press, 2012, pp. 500-537; available on SSRN)

149. D.W.P. Ruiter and R.A. Wessel, The Legal Nature of Informal International Law: A Legal Theoretical Exercise, in J. Pauwelyn, R.A. Wessel and J. Wouters (Eds.), Informal International Lawmaking, Oxford: Oxford University Press, 2012, pp. 162-184

148. A. Berman and R.A. Wessel, The International Legal Status of Informal International Law-making Bodies: Consequences for Accountability, in J. Pauwelyn, R.A. Wessel and J. Wouters (Eds.), Informal International Lawmaking, Oxford: Oxford University Press, 2012, pp. 35-62

147. J. Pauwelyn, R.A. Wessel and J. Wouters, An Introduction to Informal International Lawmaking, in J. Pauwelyn, R.A. Wessel and J. Wouters (Eds.), Informal International Lawmaking, Oxford: Oxford University Press, 2012, pp. 1-10

146. J. Pauwelyn, R.A. Wessel and J. Wouters (Eds.), Informal International Lawmaking, Oxford: Oxford University Press, 2012

145. J. Pauwelyn, R.A. Wessel and J. Wouters, The Exercise of Public Authority through Informal International Lawmaking: An Accountabilty Issue?, Jean Monnet Working Papers (New York School of Law), series on Global Governance as Public Authority: Structures, Contestation, and Normative Change, No. 06/11, 2012

144. R.A. Wessel, Initiative and Voting in Common Foreign and Security Policy: The New Lisbon Rules in Historical Perspective, in Herm.-J. Blanke and Stelio Mangiameli (Eds.), The European Union after Lisbon: Constitutional Basis, Economic Order and External Action, Heidelberg/New York: Springer, 2012, pp. 495-515

2011

143. M.T. Kamminga, K.C.J.M. Arts, A. Bos, C.M. Brölmann, M.M.T.A. Brus, A.G. Oude Elferink, T.D. Gill, L.J. van den Herik, N.M.C.P. Jägers, J.G. Lammers, W.G. Werner, R.A. Wessel, The UNESCO Convention on The Protection of the Underwater Cultural Heritage, CAVV Advisory Report No. 21, 2011

142. R.A. Wessel, Regulating Technological Innovation through Informal International Law: The Exercise of International Public Authority by Transnational Actors, in M.A. Heldeweg and E. Kica (Eds.), Regulating Technological Innovation: A Multidisciplinary Approach, Basingstoke: Palgrave MacMillan, 2011, pp. 77-94

141. R.A. Wessel, Reconsidering the Relationship between International Law and EU Law: Towards a Content-Based Approach?, in E. Cannizzaro, P. Palchetti and R.A. Wessel (Eds.), International Law as Law of the European Union, Boston/Leiden: Martinus Nijhoff Publishers, 2011, pp. 7-33

140. E. Cannizzaro, P. Palchetti and R.A. Wessel (Eds.), International Law as Law of the European Union, Boston/Leiden: Martinus Nijhoff Publishers, 2011

139. W.G. Werner and R.A. Wessel, Internationaal en Europees recht: Een verkenning van grondslagen en kenmerken (sinds het verdrag van Lissabon), Groningen: Europa Law Publishing, 2011 (3rd ed.)

138. R.A. Wessel, Division of International Responsibility between the EU and its Member States in the Area of Foreign, Security and Defence Policy, Amsterdam Law Forum, Vol. 3, No. 3, 2011, pp. 34-48

137. R.A. Wessel, Informal International Law-Making as a New Form of World Legislation?, International Organizations Law Review, 2011, pp. 253-265

136. R.A. Wessel, The Legal Framework for the Participation of the European Union in International Institutions, Journal of European Integration, 2011, pp. 621–635

135. K.E. Jørgensen and R.A. Wessel, The Position of the European Union in (other) International Organizations: Confronting Legal and Political Approaches, in P. Koutrakos (Ed.), European Foreign Policy: Legal and Political Perspectives, Edward Elgar Publishers, 2011, pp. 261-286

134. M.T. Kamminga, K.C.J.M. Arts, A. Bos, C.M. Brölmann, M.M.T.A. Brus, A.G. Oude Elferink, T.D. Gill, L.J. van den Herik, N.M.C.P. Jägers, J.G. Lammers, P.A. Nollkaemper, W.G. Werner, R.A. Wessel, The Immunity of Foreign State Officials, CAVV Advisory Report No. 20, 2011

133. R.A. Wessel, Dissolution and Succession: The Transmigration of the Soul of International Organizations, in J. Klabbers and Å. Wallendahl (Eds.), Research Handbook on the Law of International Organizations, Cheltenham, etc.: Edward Elgar Publishers, 2011, pp. 342-362

131. E. Chiti and R.A. Wessel, The Emergence of International Agencies in the Global Administrative Space: Autonomous Actors or State Servants?, in N.D. White and R. Collins (Eds.), International Organizations and the Idea of Autonomy: Institutional Independence in the International Legal Order, Routledge, 2011, pp. 142-159

130. S. Blockmans and R.A. Wessel, The European Union and Peaceful Settlement of Disputes in its Neighbourhood: The Emergence of a New Regional Security Actor?, in A. Antoniadis, R. Schütze, E. Spaventa (Eds.), The European Union and Global Emergencies: A Law and Policy Analysis, Oxford: Hart Publishing, 2011, pp. 73-103

130. R.A. Wessel, L. Marin and C. Matera, The External Dimension of the EU’s Area of Freedom, Security and Justice, in C. Eckes and Th. Konstadinides (Eds.), Crime within the Area of Freedom, Security and Justice: A European Public Order, Cambridge: Cambridge University Press, 2011, pp. 272-300

129. R.A. Wessel, De opkomst van internationale wet- en regelgeving: naar een andere verhouding tussen internationaal en nationaal recht?, in B. Niemeijer, M. Smit and P. Winkelman (Eds.), Internationalisering, veiligheid en recht, The Hague: Ministerie van Veiligheid en Justitie, 2011, pp. 14-21

2010

128. R.A. Wessel, Cross-Pillar Mixity: Combining Competences in the Conclusion of EU International Agreements, in C. Hillion and P. Koutrakos (Eds.), Mixed Agreements in EU Law Revisited, Oxford: Hart Publishing, 2010, pp. 30-54

127. I.F. Dekker and R.A. Wessel, De aangesproken lidstaat. De internationale aansprakelijkheid en verantwoordelijkheid van de staat als lid van een internationale organisatie, in L.F.M. Besselink and R. Nehmelman (eds.), De aangesproken staat: verantwoordelijkheid, aansprakelijkheid en immuniteit van de overheid, Nijmegen: Wolf Legal Publishers, 2010

126. W.G. Werner and R.A. Wessel, Internationaal en Europees recht: Een verkenning van grondslagen en kenmerken (sinds het verdrag van Lissabon), Groningen: Europa Law Publishing, 2010 (2nd rev. ed.)

2009

125. L.C.P. Broos, M.A. Heldeweg and R.A. Wessel, European Organization of Telecom Regulators and the Impact on the Pace of Telecom Innovations, Is EU Modesty Hampering Innovation in Telecom? Think Global, Act Local…, in proceedings 2nd Annual conference on competition and regulation in network industries, 20 November 2009, Brussels.

124. R.A. Wessel, Het buitenlands, veiligheids- en defensiebeleid van de Europese Unie en het nieuwe Verdrag van Lissabon, Vrede en Veiligheid - tijdschrift voor internationale vraagstukken, 2009, nr. 4, pp. 427-437.

123. R.H. van Ooik and R.A. Wessel (Eds.), De Europese Unie na het Verdrag van Lissabon, Deventer: Kluwer, 2009

122. L.F.M. Besselink and R.A. Wessel, De internationale rechtsorde en de Nederlandse Grondwet, Internationale Spectator, no. 11, 2009, pp. 569-573

121. S. Blockmans and R.A. Wessel, The European Union and Crisis Management: Will the Lisbon Treaty Make the EU More Effective?, in Journal of Conflict and Security Law, 2009, No. 2, pp. 265-308; also as CLEER Working paper 2009/1

120. R.H. van Ooik and R.A. Wessel, Het Verdrag van Lissabon: balans en afsluiting, in R.H. van Ooik and R.A. Wessel (Eds.), De Europese Unie na het Verdrag van Lissabon, Deventer; Kluwer, 2009, pp. 189-202; also published in SEW Tijdschrift voor Europees en economisch recht, 2009, no. 6, pp. 253-260

119. A. Ott and R.A. Wessel, Het Verdrag van Lissabon en de externe betrekkingen van de Europese Unie, in R.H. van Ooik and R.A. Wessel (ed.), De Europese Unie na het Verdrag van Lissabon, Deventer; Kluwer, 2009, pp. 177-186

118. J.A. Verbeek and R.A. Wessel, Internationaal recht en internationale politiek: inleiding tot het thema, in J.A. Verbeek and R.A. Wessel (Eds.), Internationaal recht en international politiek, special issue Vrede en veiligheid: tijdschrift voor internationale vraagstukken, 2009, no. 2, pp. 129-133

117. J.A. Verbeek and R.A. Wessel, Internationaal Recht komt van Venus, Internationale Betrekkingen van Mars, in J.A. Verbeek and R.A. Wessel (Eds.), Internationaal recht en international politiek, special issue Vrede en veiligheid: tijdschrift voor internationale vraagstukken, 2009, no. 2, pp. 139-163

116. J.A. Verbeek and R.A. Wessel (Eds.), Internationaal recht en international politiek, special issue Vrede en veiligheid: tijdschrift voor internationale vraagstukken, 2009, no. 2

115. N. Groenendijk, M. Rosema, J. Thomassen and R.A. Wessel, The Netherlands and Norway: Strong in Governance Research, in B. Kohler-Koch and F. Larat (Eds.), European Multi-level Governance. Contrasting Images in National Research, Edward Elgar Publishing, 2009, pp. 85-107

114. R.A. Wessel, The Dynamics of the European Union Legal Order: An Increasingly Coherent Framework of Action and Interpretation, European Constitutional Law Review, 2009, No. 1, pp. 117-142

113. C. Hillion and R.A. Wessel, Competence Distribution in EU External Relations after ECOWAS: Clarification or Continued Fuzziness?, Common Market Law Review, 2009, pp. 551-586

112. R.A. Wessel, Tien jaar Europees Veiligheids- en Defensiebeleid: een nieuwe rol voor de EU in de wereld, in B. Bomert, Th. Van den Hoogen and R.A. Wessel (eds.), Jaarboek Vrede & Veiligheid 2008: internationale veiligheidsvraagstukken en het Nederlands perspectief, Amsterdam: Rozenberg Publishers, 2009, pp. 66-84

111. B. Bomert, Th. Van den Hoogen and R.A. Wessel (Eds.), Jaarboek Vrede & Veiligheid 2008: internationale veiligheidsvraagstukken en het Nederlands perspectief, Amsterdam: Rozenberg Publishers, 2009, 324 p.

110. R.A. Wessel, The Constitutional Unity of the European Union: The Increasing Irrelevance of the Pillar Structure?, in J. Wouters, L. Verhey and Ph. Kiiver (Eds.), European Constitutionalism Beyond the EU Constitution, Antwerpen: Intersentia, 2009, pp. 283-306

109. L.F.M. Besselink and R.A. Wessel, De invloed van ontwikkelingen in de internationale rechtsorde op de doorwerking naar Nederlands constitutioneel recht: een ‘neo-monistische’ benadering, Deventer: Kluwer, 2009

2008

108. M.T. Kamminga, K.C.J.M. Arts, A. Bos, C.M. Brölmann, M.M.T.A. Brus, A.G. Oude Elferink, T.D. Gill, L.J. van den Herik, N.M.C.P. Jägers, J.G. Lammers, W.G. Werner, R.A. Wessel, The Application of Protocol No. 14 to the European Convention of Human Rights and Fundamental Freedoms, CAVV Advisory Report No. 18, The Hague, 2008

107. R.A. Wessel, The Kadi-case: Towards a More Substantive Hierarchy in International Law?, International Organizations Law Review, 2008, No.2, pp. 323-327

106. A. Ott and R.A. Wessel, Het Verdrag van Lissabon en de externe betrekkingen van de Europese Unie, SEW Tijdschrift voor Europees en economisch recht, 2008, no. 12, pp. 478-482

105. R.A. Wessel, The Netherlands and NATO, in J. Rainne, Legal Implications of NATO Membership: Focus on Finland and Five Allied States, Helsinki: Erik Castrén Institute Research Reports, 2008, pp. 137-161

104. C. Hillion and R.A. Wessel, Restraining External Competences of EU Member States under CFSP, in M. Cremona and B. De Witte (Eds.), EU Foreign Relations Law: Constitutional Fundamentals, Oxford: Hart Publishing, 2008, pp. 79-121

103. R.A. Wessel, The European Union as a Party to International Agreements: Shared Competences, Mixed Responsibilities, in: A. Dashwood and M. Maresceau (Eds.), Law and Practice of EU External Relations – Salient Features of a Changing Landscape, Cambridge University Press, 2008, pp. 145-180

102. R.A. Wessel, Veiligheidsbeleid of toch ontwikkelingssamenwerking? De afbakening van de externe bevoegdheden tussen de EU, de EG en de lidstaten, Nederlands Tijdschrift voor Europees Recht, oktober 2008, pp. 292-299

101. D.M. Curtin and R.A. Wessel, Rechtseenheid van de Europese Unie? De rol van het Hof van Justitie als constitutionele rechter, SEW Tijdschrift voor Europees en economisch recht, 2008, no. 10, pp. 371-378

100. R.A. Wessel and G. Fernandez Arribas, EU Agreements with Third Countries: Constitutional Reservations by Member States, in S. Blockmans (Ed.), The European Union and International Crisis Management: Legal and Policy Aspects, The Hague: T.M.C. Asser Press, 2008, pp. 291-308

99. R.A. Wessel, Rechtsbescherming voor terroristen, Vrede en veiligheid: tijdschrift voor internationale vraagstukken, 2008, no. 1, pp. 5-9

98. B. Bomert, Th. Van den Hoogen and R.A. Wessel (Eds.), Jaarboek Vrede & Veiligheid 2007: internationale veiligheidsvraagstukken en het Nederlands perspectief, Amsterdam: Rozenberg Publishers, 2008, 274 p

97. J. Wouters, R.A. Wessel and A. Føllesdal, Multilevel Regulation and the EU: A Brief Introduction, in A. Føllesdal, R.A. Wessel and J. Wouters (Eds.), Multilevel Regulation and the EU: The Interplay between Global, European and National Normative Processes, Leiden, Boston: Martinus Nijhoff Publishers, 2008, pp. 1-6

96. A. Føllesdal, R.A. Wessel and J. Wouters (Eds.), Multilevel Regulation and the EU: The Interplay between Global, European and National Normative Processes, Leiden, Boston: Martinus Nijhoff Publishers, 2008

95. R.A. Wessel and J. Wouters, The Phenomenon of Multilevel Regulation: Interactions between Global, EU and National Regulatory Spheres, in A. Føllesdal, R.A. Wessel and J. Wouters (Eds.), Multilevel Regulation and the EU: The Interplay between Global, European and National Normative Processes, Leiden, Boston: Martinus Nijhoff Publishers, 2008, pp. 9-47; in shorter form published in International Organizations Law Review, 2007, No. 2, pp. 257-289 and in D. Curtin and A. Wille (Eds.), Meaning and Practice of Accountability in the EU Multi-Level Context, Mannheim: connex Report Series No. 7, 2008, Chapter 11, pp. 281-426

2007

94. R.A. Wessel, Legal Responsibility for Agreements concluded by the European Union, CFSP Forum, 2007, No. 5, pp. 10-12

93. R.A. Wessel, Integration by Stealth: On the Exclusivity of Community Competence, in D. Obradovic and N. Lavranos (Eds.), Interface between EU Law and National Law, Groningen: Europa Law Publishing, 2007, pp. 43-52

92. R.A. Wessel, The EU's Foreign, Security and Defense Policy Fifteen Years after Maastricht: A Constitutional Momentum?, in H.-G. Ehrhart, S. Jaberg, B. Rinke and J. Waldmann (Hrsg.), Die Europäische Union im 21. Jahrhundert. Theorie und Praxis europäischer Außen-, Sicherheits- und Friedenspolitik, Wiesbaden: VS Verlag für Sozialwissenschaftem, 2007, pp. 302-316

91. R.A. Wessel, The Multilevel Constitution of European Foreign Relations, in: N. Tsagourias, (Ed.), Transnational Constitutionalism: International and European Perspectives, Cambridge University Press, 2007, pp. 160-206

90. R.A. Wessel, Differentiation in EU Foreign, Security and Defence Policy: Between Coherence and Flexibility, in: M. Trybus and N.D. White, European Security Law, Oxford University Press, 2007, pp. 225-248

89. R.A. Wessel and W.E. van de Griendt, Offene Staatlichkeit: Niederlande, in: A. von Bogdandy, P.M. Huber and P.Cruz Villalón (Eds.), Ius Publicum Europaeum; Band I: Staatliches Verfassungsrecht im Europäischen Rechtsraum, Heidelberg: C.F. Müller Verlag, 2007, pp. 175-208

88. R.A. Wessel, Internationaal recht in ontwikkeling, in: N. Horbach, R. Lefeber and O. Ribbelink (Eds.), Handboek Internationaal Recht, Den Haag: T.M.C. Asser Press, 2007, pp. 1-17

2006

87. R.A. Wessel, De Europese Unie in de wereld: militaire missies en aansprakelijkheid, in B. Bomert, Th. van den Hoogen and R.A. Wessel (Eds.), Jaarboek Vrede en Veiligheid 2006, Nijmegen: Center for International Conflict Analysis and Management, 2006, pp. 55-70

86. B. Bomert, Th. Van den Hoogen and R.A. Wessel (Eds.), Jaarboek Vrede en Veiligheid 2006, Amsterdam: Rozenberg Publishers, 2006, 317 p

85. R.A. Wessel, A Legal Approach to EU Studies, in: K.-E. Jorgenson, M. Pollack and B. Rosamund (Eds.), Handbook of European Union Politics, London: Sage, 2006, pp. 104-113

84. R.A. Wessel, Grenzenloos recht: Nederland als het Twente van Europa?, in I. Baas and H. Procee (Eds.), Universiteit Twente in twintig vooruitzichten, Enschede: Faculty Club Foundation Press, 2006, pp. 193-200

83. R.A. Wessel, De constitutionele verhouding tussen de Europese Unie en Nederland: de rol van de rechters, in M.A. Heldeweg (red.), Rechtsvorming en governance, Publicaties van de Staatsrechtkring, Deventer: Kluwer, 2006, pp. 69-74

82. R.A. Wessel, The UN, the EU and Jus Cogens, International Organizations Law Review, 2006, no. 1, pp. 1-6

81. R.A. Wessel, Internationale organisaties als regelgevers, Vrede en Veiligheid, 2006, no. 1, pp. 10-29

80. B. Bomert, Th. Van den Hoogen and R.A. Wessel, Jaarboek Vrede en Veiligheid 2005, Nijmegen: Center for International Conflict Analysis and Management, 2006, 293 pp

79. R.A. Wessel, The Invasion by International Organizations. De toenemende samenhang tussen de mondiale, Europese en nationale rechtsorde, Inaugural Lecture, University of Twente, 2006

78. R.H. van Ooik and R.A. Wessel, De Yusuf en Kadi-uitspraken in perspectief. Nieuwe verhoudingen in de interne en externe bevoegdheden van de Europese Unie (4 MB file), SEW Tijdschrift voor Europees en economisch recht, 2006, pp. 231-242

77. A. Ott and R.A. Wessel, The EU’s External Relations Regime: Multilevel Complexity in an Expanding Union, in S. Blockmans and A. Lazowski (Eds.), The European Union and its Neighbours, The Hague: T.M.C. Asser Press, 2006, pp. 19-60

2005

76. R.A. Wessel, Een Grondwet voor Europa, in: C. Aarts and H. van der Kolk (Eds.), Nederlanders en Europa. Het referendum over de Europese Grondwet, Amsterdam: Bert Bakker, 2005, pp. 19-43

75. N.M. Blokker and R.A. Wessel, Updating International Organizations, International Organizations Law Review, 2005, No. 1, pp. 1-8

74. R.A. Wessel, Vasthouden aan collectieve veiligheid in een hervormde VN, Vrede en Veiligheid, 2005, no. 1, pp. 5-9

2004

73. N.M. Blokker and R.A. Wessel, Introducing a New International Law Journal, International Organizations Law Review, 2004, No.1, pp. 1-3

72. B.T. van Ginkel and R.A. Wessel, Bestuurlijke vernieuwing van de VN-Veiligheidsraad. Wereldwetgever of achterhaald instituut?, in: B. Bomert, Th. van den Hoogen and R.A. Wessel (Eds.), Jaarboek Vrede en Veiligheid 2004, Nijmegen: Center for International Conflict Analysis and Management, 2004, pp. 1-31

71. B. Bomert, Th. Van den Hoogen and R.A. Wessel (Eds.), Jaarboek Vrede en Veiligheid 2004, Nijmegen: Center for International Conflict Analysis and Management, 2004, 242 pp

70. R.A. Wessel, Good Governance in Foreign, Security and Defence Policy, in D.M. Curtin and R.A. Wessel (Eds.), Good Governance and the European Union: Some Reflections on Concepts, Institutions, and Substance (2005), pp. 215-251

69. D.M. Curtin and R.A. Wessel (Eds.), Good Governance and the European Union: Some Reflections on Concepts, Institutions, and Substance, Antwerpen: Intersentia, 2005

68. W.G. Werner and R.A. Wessel, Internationaal en Europees recht: een verkenning van grondslagen en kenmerken, Groningen: Europa Law Publishing, 2004, 2005 (2nd rev. ed.)

67. R.A. Wessel, De externe betrekkingen van de EU: van versnippering naar constitutionele eenheid?, SEW Tijdschrift voor Europees en economisch recht, 2004, 412-420

66. R.A. Wessel, Fragmentation in the Governance of EU External Relations: Legal Institutional Dilemmas and the New Constitution for Europe, in J.W. de Zwaan et. al, (eds.), The European Union – An Ongoing Process of Integration, Liber Amicorum Fred Kellermann, The Hague: T.M.C. Asser Press, 2004, pp. 123-140

65. I.F. Dekker and R.A. Wessel, De constitutionalisering van internationale organisaties: over bevoegdheden en democratische legitimiteit, Vrede en veiligheid, tijdschrift voor internationale vraagstukken, 2004, nr. 1

64. R.A. Wessel, Debating the ‘Smartness’ of Anti-Terrorism Sanctions: The UN Security Council and the Citizen, in C. Fijnaut, J. Wouters and F. Naert (Eds.), Legal Instruments in the Fight Against International Terrorism. A Transatlantic Dialogue, Boston/Leiden: Martinus Nijhoff Publishers, 2004, pp. 633-660

63. I.F. Dekker and R.A. Wessel, Governance by International Organisations: Rethinking the Source and Normative Force of International Decisions, in I.F. Dekker and W. Werner (Eds.), Governance and International Legal Theory, Leiden/ Boston: Martinus Nijhoff Publishers, 2004, pp. 215-236

62. B.T. van Ginkel and R.A. Wessel, Jaarboek Vrede en Veiligheid 2003, Nijmegen: Center for International Conflict Analysis and Management

61. B. Bomert, Th.J.G. van den Hoogen and R.A. Wessel (Eds.), Jaarboek Vrede en Veiligheid 2003, Nijmegen: Center for International Conflict Analysis and Management, 2004, 242 pp

2003

60. R.A. Wessel, The Constitutional Relationship between the European Union and the European Community: Consequences for the Relationship with the Member States, in J.J.H. Weiler & A. von Bogdandy (Eds.), Jean Monnet Working Papers <www.jeanmonnetprogram.org/papers/03/030901-09.html>, 2003

59. R.A. Wessel, The State of Affairs in European Security and Defence Policy: The Breakthrough in the Treaty of Nice, Journal of Conflict & Security Law, vol 8, no. 2, 2003, pp. 265-288

58. R.A. Wessel, Europees Veiligheids- en Defensiebeleid na het Verdrag van Nice, Militair Rechtelijk Tijdschrift, No. 8, September 2003, pp. 281-288

57. R.A. Wessel, Internationaal en Europees recht (Hfdst. 3), in Praktijk Zakboek Recht, Arnhem: Elsevier, 2003, 46 pp

2002

56. R.A. Wessel, The Parliamentary Dimension of CFSP/ESDP: Options for the European Convention. Study submitted for the European Parliament, DG for Research (project under supervision of Prof.Dr. W. Wessels, December 2002)

55. I.F. Dekker and R.A. Wessel, Van CVSE naar OVSE. De sluipende institutionalisering en onvermijdelijke juridisering van een internationale conferentie, Vrede en Veiligheid, 2002, no. 4

54. B.T. van Ginkel and R.A. Wessel, VN-sancties en het individu: wordt de Veiligheidsraad slimmer?, in B. Bomert, Th. van den Hoogen and R.A. Wessel (red.), Jaarboek Vrede en Veiligheid 2002, Nijmegen: Center for International Conflict Analysis and Management, pp. 19-40

53. B. Bomert, Th. Van den Hoogen and R.A. Wessel (Eds.), Jaarboek Vrede en Veiligheid 2002, Nijmegen: Center for International Conflict Analysis and Management, 2003, 242 pp

52. R.A. Wessel, De Europese Unie in de internationale rechtsorde – reactie, in De plaats van de Europese Unie in het veranderende bestel van de volkenrechtelijke organisaties (Mededelingen van de Nederlandse Vereniging voor Internationaal Recht (124), The Hague: TMC Asser Press, 2002, pp. 33-42

51. R.A. Wessel, Annotatie bij zaak T-188/99, Euroalliages t. Commissie, arrest van 20 juni 2001, SEW, 2002, no. 10, pp. 381-383

50. R.A. Wessel, Internationaal en Europees recht (Hfdst. 1, 2 en 4), in Praktijk Zakboek Recht, Arnhem: Elsevier-PBNA, 2002, 68 pp

49. R.A. Wessel and J.H. de Wilde, Het dwingende statensysteem: terrorisme en de buiging van het oorlogsrecht, InterDisciplinair: Bestuurskundig magazine, April 2002, 4-7

48. B. Bomert, Th. Van den Hoogen and R.A. Wessel (Eds.), Jaarboek Vrede en Veiligheid 2001, Nijmegen: Center for International Conflict Analysis and Management, 2002, 277 pp

2001

47. G.R. den Dekker and R.A. Wessel, Veiligheid en volkenrecht: een herdefiniëring van vertrouwde concepten, in: B. Bomert, Th. van den Hoogen and R.A. Wessel (red.), Jaarboek Vrede en Veiligheid 2001, Nijmegen: Center for International Conflict Analysis and Management, pp. 1-28

46. R.A. Wessel, De Europese Unie in de internationale rechtsorde, in: De plaats van de Europese Unie in het veranderende bestel van de volkenrechtelijke organisatie (Mededelingen van de Nederlandse Vereniging voor Internationaal Recht (123) (preadvies), The Hague: TMC Asser Press, 2001, pp. 1-77

45. I.F. Dekker and R.A. Wessel, Lowering the corporate veil. Het recht der internationale organisaties vanuit de institutionele rechtstheorie, in: M.A. Heldeweg, R.J.P. Schobben, W.G. Werner (red.), De Regel Meester. Opstellen voor Dick W.P. Ruiter, Enschede: Twente University Press, 2001, pp. 5-22

44. R.A. Wessel, The EU as Black Widow: Devouring the WEU to Give Birth to a European Security and Defence Policy, in: V. Kronenberger (Ed.), The European Union and the International Legal Order – Discord or Harmony?, Den Haag: TMC Asser Press, pp. 405-434, 2001

43. R.A. Wessel, Het Europees Parlement en het Gemeenschappelijk Buitenlands en Veiligheidsbeleid, Atlantisch Perspectief, 2001, no. 2, pp. 6-11

2000

42. R.A. Wessel, Revisiting the International Legal Status of the EU, European Foreign Affairs Review, 2000, 507-537

41. R.A. Wessel, The European Union and the Concept of Flexibility. Proliferation of Legal Systems within International Organizations, in: N.M. Blokker en H.G. Schermers (Eds.), Proliferation of International Organizations, Den Haag: Kluwer Law International, 2001, pp. 381-414

40. R.A. Wessel, The Inside Looking Out: Consistency and Delimitation in EU External Relations, CML Rev., 2000, pp. 1135-1171

39. G.R. den Dekker and R.A. Wessel, Veiligheid en volkenrecht: naar een humanitair veiligheidsrecht?, in: B. Bomert, Th. van den Hoogen and R.A. Wessel (red.), Jaarboek Vrede en Veiligheid 2000, Nijmegen: Studiecentrum voor Vredesvraagstukken, pp. 1-29

38. B. Bomert, Th. van den Hoogen and R.A. Wessel, Jaarboek Vrede en Veiligheid: Internationale veiligheids­vraag­stuk­ken en het Nederlands perspectief, Nijmegen: Studiecentrum voor Vredesvraagstukken, 2000

37. R.A. Wessel, Een slagveld met nieuwe regels. Over de ontwikkeling van een gemeenschappelijk Europees veiligheidsbeleid, in J.H. de Wilde and A. Gerrits (red.), Aan het slagveld ontsnapt: over oorlogen die niet plaatsvonden (Liber Amicorum Prof. H.W. Tromp), Zutphen: Walburg Press, 2000, pp. 199-212

1999

36. R.A. Wessel, Afscheid van de West-Europese Unie, Transaktie, 1999, no. 4, pp. 559-568

35. R.A. Wessel, Veiligheid en volkenrecht: verval van het VN-systeem?, in: B. Bomert and Th. van den Hoogen (red.), Jaarboek Vrede en Veiligheid 1999, Nijmegen: Studiecentrum voor Vredesvraagstukken, 1999, pp. 1-36

34. R.A. Wessel, The European Union’s Foreign and Security Policy: A Legal Institutional Perspective, The Hague: Kluwer Law International, 1999

33. R.A. Wessel, Navo-acties zij riskant precedent, Trouw, 1 april 1999

32. G.R. den Dekker and R.A. Wessel, De NAVO in Kosovo: toetssteen voor militaire interventie?, Internationale Spectator, June 1999, pp. 358-367

31. R.A. Wessel, Van staatsdiplomatie naar Europese diplomatie? Een juridisch perspectief, in: Jan Melissen (red.), Raderwerk van de internationale politiek: diplomatie in theorie en praktijk, Assen: Van Gorcum, 1999, pp. 130-148

1998

30. R.A. Wessel, Veiligheid en volkenrecht: de strijd tussen recht en macht, in: B. Bomert and H. de Lange (red.), Jaarboek Vrede en Veiligheid 1998, Nijmegen: Studiecentrum voor Vredesvraagstukken, 1998, pp. 1-32

29. G.R. den Dekker and R.A. Wessel, De Verenigde Staten en Irak, Transaktie, 1998, no. 1, pp. 5-8

28. G.R. den Dekker and R.A. Wessel, Geen rechtsbasis voor militaire actie tegen Irak, Internationale Spectator, April 1998, pp. 213-214

27. G.R. den Dekker and R.A. Wessel, De rechtsbasis voor militair ingrijpen in Irak, Mercourios, 1998, no. 53, pp. 8-21

26. G.R. den Dekker and R.A. Wessel, Military Enforcement of Arms Control in Iraq, 11 Leiden Journal of International Law, 1998, pp. 497-511

25. R.A. Wessel, The Legality of the New Functions of the Western European Union. The Attribution of Powers Reconsidered on the Occasion of the 50th Anniversary of the Brussels Treaty, Studia Diplomatica, 1998, Nos. 1-2, pp. 15-28

1997

24. R.A. Wessel, Veiligheid en volkenrecht: toenemende aandacht voor internationale regelgeving?, in: B. Bomert and H. de Lange (red.), Jaarboek Vrede en Veiligheid 1997, Nijmegen: Studiecentrum voor Vredesvraagstukken, 1997, pp. 1-20

23. R.A. Wessel, GBVB of FBVB? Flexibiliteit in de tweede pijler, Europa Periodiek, 1997, no. 2, pp. 25-26

22. R.A. Wessel, The International Legal Status of the European Union, European Foreign Affairs Review, 1997, no. 1, pp. 109-129

1996

21. R.A. Wessel, De botsende pijlers van de Europese Unie, Merkourios, vol. 16, no. 50, 1996, pp. 20-24

20. R.A. Wessel, Ter inleiding. 25 jaar Transaktie en Nederlands onderzoek naar oorlog en vrede, in: Ph.P. Everts, H.B.M. de Lange and R.A. Wessel (red.), 25 Jaar Nederlands onderzoek naar oorlog en vrede, Leiden: Stichting Transaktie, 1996, pp. 462-478

19. Ph.P. Everts, H.B.M. de Lange and R.. Wessel, 25 Jaar Nederlands onderzoek naar oorlog en vrede, Leiden: Stichting Transaktie, 1996, 249 p.

18. R.A. Wessel, De EU en de WEU op weg naar een Europese defensie-identiteit, Militair Rechtelijk Tijdschrift, no. 9, October 1996, pp. 353-358

17. R.A. Wessel, Veiligheid en volkenrecht: van mondiale naar regionale collectieve veiligheid, in Bert Bomert and Herman de Lange (red.), Jaarboek Vrede en Veiligheid 1996. Internationale veiligheidsvraagstukken en het Nederlands Perspectief, Nijmegen: Studiecentrum voor Vredesvraag­stukken, 1996, pp. 1-24

16. I.F. Dekker and R.A. Wessel, Lof der lafheid (de uitspraak van het Internationaal Gerechtshof inzake de kernwapens), Transaktie, 1996, no. 3, pp. 307-311

15. R.A. Wessel, Besluiten internationale veiligheidsorganisaties, rubriek met een overzicht en een korte analyse van de belangrijkste besluiten genomen door de VN, de OVSE, de NAVO, de EU en de WEU, voor zover deze vraagstukken van vrede en veiligheid in Europa betreffen (each quartile, in Vrede en Veiligheid: tijdschrift voor Internationale Vraagstukken (Transaktie/Vrede en Veiligheid), from 1996, no. 1 – 2006, no.2)

14. R.A. Wessel, Merging WEU into EU: A Necessary Step Towards an Ever Closer Union?, in Contemporary International Law Issues: Conflicts and Convergence, Proceedings of the ASIL/NVIR Third Joint Conference, The Hague, TMC Asser Instituut, 1996, pp. 347-352

13. R.A. Wessel, Procedural Priming of an EU Common Foreign and Security Policy, in Jaap de Wilde and Håkan Wiberg (eds.), Organized Anarchy in Europe: The Role of States and Intergovernmental Organizations, London, New York: I.B. Tauris Publishers, 1996, pp. 267-280

12. R.A. Wessel, Towards a United Europe? A Legal Perspective on European Institutionalization and Integration, in Jaap de Wilde and Håkan Wiberg (eds.), Organized Anarchy in Europe: The Role of States and Intergovernmental Organizations, London, New York: I.B. Tauris Publishers, 1996, pp. 39-64

1995

11. R.A. Wessel, De ‘tweede’ pijler van de Europese Unie: een vreemde eend in de bijt?, SEW Tijdschrift voor Europees en economisch recht, 1995, no. 9, pp.554-579

10. R.A. Wessel, Gemeenschappelijk defensiebeleid via een achterdeur. Een fusie van de Westeuropese Unie en de Europese Unie?, Transaktie, 1995, no. 3, pp. 340-255

1994

9. R.A. Wessel, Het buitenlands en veiligheidsbeleid van de Europese Unie, Internatio­nale Spectator, June 1994, pp. 276-282

8. R.A. Wessel, De Europese Unie als veiligheidsorganisatie, Juncto, 1994, no. 3, pp. 12-15

7. R.A. Wessel, Een half jaar gemeenschappelijk buitenlands en veiligheidsbeleid: een eerste evaluatie, Transaktie, 1994, no. 2, pp. 129-136

6. A. Bloed and R.A. Wessel (Eds.), The Changing Functions of the Western European Union (WEU): Introduction and Basic Documents, Dordrecht, etc.: Martinus Nijhoff Publishers, 1994, 220 p

1993

5. R.A. Wessel, Internationaal Recht, in Praktijk Zakboek Recht: snelle toegang tot de hoofdlijnen van het recht, Arnhem: PBNA, 1993 (update 1996), 66 p

1992

4. W.J. de Jonge and R.A. Wessel, Nieuwe kansen voor de CVSE in Helsinki, Transaktie, 1992, no. 1, pp. 5-10

1991

3. R.A. Wessel, Internationale organisatie en politiek geweld: nieuwe uitdagin­gen, Transaktie, ­1991, nr. 3, pp. 232-242

2. R.A. Wessel, Novi izzivi mednarodni organizaciji: implikacije pluralistic­nega razumevanja sveta na prevlado politicnega nasilja; in Anton Grizold, et al., Demilitarizacija Slovenije in Nacionalna Varnost, Ljubljana: Znanstveno in publicisticno sredisce, 1991, pp. 46-56

1990

1. R.A. Wessel, Interdependentie-theorie van 1970-1990: de bijdrage van Robert Keohane, Transaktie, tijdschrift over de wetenschap van oorlog en vrede, 1990, no. 1, pp. 25-39