2024
Public International Law
2024
“Before Human Rights: The Formation of the International Legal Status of the Individual, 1914-45”
- International and Comparative Law
- Human Rights
The Individual in International Law
2024
The Charter of the United Nations: A Commentary
2024
The Charter of the United Nations: A Commentary
2024
Völkerrecht: Allgemeiner Teil
- International and Comparative Law
2023
“The War in Ukraine and Legal Limitations on Russian Vetoes”
- International and Comparative Law
Journal on the Use of Force and International Law
2023
“International Organizations as Constitution-Shapers: Lawful but Sometimes Illegitimate, and Often Futile”
- International and Comparative Law
UC Irvine Journal of International, Transnational, and Comparative Law
2023
“The Direct Rights of Individuals in the International Law of Armed Conflict”
- International and Comparative Law
The Individualization of War: Rights, Liability, and Accountability in Contemporary Armed Conflict
2023
Handbook on Global Constitutionalism
2023
“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
2022
“Animals in War: At the Vanishing Point of International Humanitarian Law”
- International and Comparative Law
International Review of the Red Cross
2022
“The American Law Institute’s Restatement of the Law: Bastion, Bridge and Behemoth”
- International and Comparative Law
European Journal of International Law
2022
Animals in the International Law of Armed Conflict
2022
“Against a Deconstitutionalisation of International Law in Times of Populism, Pandemic, and War”
- International and Comparative Law
Constitutional Research Institute (South Korea)
2022
2021
“A Plea for Proportionality: A reply to Yun-chien Chang and Xin Dai”
- International and Comparative Law
- Constitutional Law
- Human Rights
International Journal of Constitutional Law
2021
“Constitutional Theories of International Organisations: Beyond the West”
- International and Comparative Law
- Constitutional Law
Chinese Journal of International Law
2021
Politics and the Histories of International Law: The Quest for Knowledge and Justice
- International and Comparative Law
- Legal History
2021
2020
“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
Law Applicable to Armed Conflict
2020
“Due Diligence and Structural Change in the International Legal Order”
- International and Comparative Law
Due Diligence in the International Legal Order
2020
Law Applicable to Armed Conflict
2020
The UN Friendly Relations Declaration at 50: An Assessment of the Fundamental Principles of International Law
2020
“Conclusion: Reparation for Victims of Armed Conflict – At the Interface of International and National Law”
- International and Comparative Law
- Human Rights
Reparation for Victims of Armed Conflict
2020
“Due Diligence: The Risky Risk Management Tool in International Law”
- International and Comparative Law
Cambridge International Law Journal
2020
Self-Defence Against Non-State Actors
2019
Self-Defence Against Non-State Actors
2019
Self-Defence Against Non-State Actors
2019
“Legal Uncertainty and Indeterminacy: Immutable Characteristics of the OSCE?”
- International and Comparative Law
The Legal Framework of the OSCE
2019
“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
2019
The Legal Framework of the OSCE
2019
“Constitutionalisation and Democratisation of Foreign Affairs: The Case of Switzerland”
- International and Comparative Law
- Constitutional Law
National Constitutions in European and Global Governance: Democracy, Rights, the Rule of Law
2019
The Oxford Handbook of Comparative Foreign Relations Law
2019
“How Not to Do Things with International Law”
- Constitutional Law
- Human Rights
- International and Comparative Law
Ethics & International Affairs
2018
Global Constitutionalism from European and East Asian Perspectives
- International and Comparative Law
2018
European Journal of International Law
2018
“The Refinement of International Law: From Fragmentation to Regime Interaction and Politicization”
- International and Comparative Law
International Journal of Constitutional Law
2017
International Law as a Profession
2017
“Fragmentation and Constitutionalization”
- International and Comparative Law
The Oxford Handbook of the Theory of International Law
2016
Beyond Human Rights: The Legal Status of the Individual in International Law
- International and Comparative Law
2016
“Der mensch im Mittelpunkt des Völkerrechts”
- International and Comparative Law
Rechtswege: Kontextsensible Rechtswissenschaft vor der transnationalen Herausforderung
2015
“Symposium: The Incorporation of Crimea by the Russian Federation in the Light of Internation Law”
- International and Comparative Law
Zeitschrift für ausländisches öffentliches Recht und Völkerrecht/Heidelberg J. of Int’l L.
2015
“La transparence comme principe du droit international public”
- International and Comparative Law
Le cosmopolitisme juridique
2015