“The Concept of International Organization”
- International and Comparative Law
- Constitutional Law
- Human Rights
Cambridge Companion to International Organizations Law
2022
“COVID-19 As a Catalyst for the (Re-)Constitutionalisation of International Law: One Health ─ One Welfare”
- International and Comparative Law
- Human Rights
Crisis Narratives in International Law
2022
“Due Diligence in the International Legal Order: Dissecting the Leitmotif of Current Accountability Debates”
- International and Comparative Law
Due Diligence in the International Legal Order
2020
“Due Diligence and Structural Change in the International Legal Order”
- International and Comparative Law
Due Diligence in the International Legal Order
2020
The UN Friendly Relations Declaration at 50: An Assessment of the Fundamental Principles of International Law
2020
“The Rise and Decline of the International Rule of Law and the Job of Scholars”
- International and Comparative Law
The International Rule of Law: Rise or Decline?
2019
The Legal Framework of the OSCE
2019
International Law as a Profession
2017
“Fragmentation and Constitutionalization”
- International and Comparative Law
The Oxford Handbook of the Theory of International Law
2016
“La transparence comme principe du droit international public”
- International and Comparative Law
Le cosmopolitisme juridique
2015
“Der mensch im Mittelpunkt des Völkerrechts”
- International and Comparative Law
Rechtswege: Kontextsensible Rechtswissenschaft vor der transnationalen Herausforderung
2015
“Internationale Arbeiterrechte als subjektive internationale Rechte”
- International and Comparative Law
Festschrift zur Emeritierung von Jean-Fritz Stöckli
2014
“Konstitutionalismus als globale Errungenschaft”
- International and Comparative Law
- Constitutional Law
Aus Kiel in die Welt: Kiel’s Contribution to International Law
2014
“Recht für eine globale Weltgesellschaft: Bedingungen und Grenzen universeller Normsetzung”
- International and Comparative Law
Wissenschaft - Antrieb oder Ergebnis globaler Dynamik?
2014
“Europäische Öffentlichkeit im europäischen Verfassungsprozess”
- International and Comparative Law
- Constitutional Law
Europäische Öffentlichkeit
2014
“L’acte constitutif de l’organisation internationale”
- International and Comparative Law
Droit des organisations internationales
2013
“Der internationale Schutz der Menschenrechte: Risiko und Chancen aktueller Ausweitengen”
- International and Comparative Law
- Human Rights
Recht und Willkür
2012
“Les Changements Collectifs de Nationalité”
- International and Comparative Law
Droit International et Nationalité: Colloque de Poitiers
2012
“Are we Moving Towards constitutionalization of the World Community?”
- International and Comparative Law
- Constitutional Law
Realizing Utopia: The Future of International Law
2012
Das Kosovo-Gutachten des IGH vom 22. Juli 2010
2012
“The Constitutionalisation of International Trade Law”
- International and Comparative Law
- Constitutional Law
The Prospects of International Trade Regulation: From Fragmentation to Coherence
2011
“The Constitutionalisation of International Organisations”
- International and Comparative Law
- Constitutional Law
Europe’s Constitutional Mosaic
2011
Rechtsstaat, Freiheit und Sicherheit in Europa
2010