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| International law J Klabbers Cambridge University Press, 2020 | 674 | 2020 |
| The redundancy of soft law J Klabbers Sources of International Law, 189-204, 2017 | 559 | 2017 |
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| The undesirability of soft law Klabbers Nordic Journal of International Law 67 (4), 381-391, 1998 | 387 | 1998 |
| Constitutionalism lite J Klabbers Globalization and International Organizations, 197-224, 2017 | 286 | 2017 |
| The right to be taken seriously: Self-determination in international law J Klabbers Human rights quarterly, 186-206, 2006 | 228 | 2006 |
| Treaty conflict and the European Union J Klabbers Cambridge University Press, 2009 | 187 | 2009 |
| The EJIL foreword: the transformation of international organizations law J Klabbers European Journal of International Law 26 (1), 9-82, 2015 | 186 | 2015 |
| Two concepts of international organization J Klabbers Int'l Org. L. Rev. 2, 277, 2005 | 163 | 2005 |
| The concept of legal personality J Klabbers Ius Gentium 11 (Spring), 35-66, 2005 | 132 | 2005 |
| Institutional ambivalence by design: Soft organizations in international law Klabbers Nordic Journal of International Law 70 (3), 403-421, 2001 | 131 | 2001 |
| Setting the scene J Klabbers The constitutionalization of international law 4, 2009 | 113 | 2009 |
| The emergence of functionalism in international institutional law: colonial inspirations J Klabbers European Journal of International Law 25 (3), 645-675, 2014 | 110 | 2014 |
| The paradox of international institutional law J Klabbers International Organizations Law Review 5 (1), 151-173, 2008 | 101 | 2008 |
| The relative autonomy of international law or the forgotten politics of Interdisciplinary J Klabbers J. Int'l L & Int'l Rel. 1, 35, 2004 | 99 | 2004 |
| How to defeat a treaty's object and purpose pending entry into force: toward manifest intent J Klabbers Vand. J. Transnatl. L. 34, 283, 2001 | 90 | 2001 |
| Informal instruments before the European Court of Justice J Klabbers Common Market L. Rev. 31, 997, 1994 | 90 | 1994 |
| International legal histories: The declining importance of travaux preparatoires in treaty interpretation? J Klabbers Netherlands International Law Review 50 (3), 267-288, 2003 | 86 | 2003 |
