"The War in Ukraine and Legal Limitations on Russian Vetoes"

Journal on the Use of Force and International Law
2023

"Principle and Practice of Armed Intervention and Consent"

Armed Intervention and Consent
2023

"International Organizations as Constitution-Shapers: Lawful but Sometimes Illegitimate, and Often Futile"

UC Irvine Journal of International, Transnational, and Comparative Law
2023

Völkerrecht: Allgemeiner Teil

2023

"Animals in Wartime: A Legal Research Agenda"

Animals in the International Law of Armed Conflict
2022

"Against a Deconstitutionalisation of International Law in Times of Populism, Pandemic, and War"

Constitutional Research Institute (South Korea)
2022

"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

Animals in the International Law of Armed Conflict

  • International and Comparative Law
2022

"Das Diskriminierungsverbot"

ECHR/GG: Concordance Commentary on the European and German Protection of Fundamental Rights
2022

"Animal Rights"

Elgar Encyclopedia of Human Rights
2022

"Animals in War: At the Vanishing Point of International Humanitarian Law"

International Review of the Red Cross
2022

"The American Law Institute’s Restatement of the Law: Bastion, Bridge and Behemoth"

European Journal of International Law
2022

Politics and the Histories of International Law: The Quest for Knowledge and Justice

  • International and Comparative Law
  • Legal History
2021

"Die Pandemie und das Völkerrecht"

Yearbook of Contemporary Public Law
2021

"Transparency Procedures"

The Oxford Handbook of International Environmental Law
2021

Remedies against Immunity? Reconciling International and Domestic Law after the Italian Constitutional Court’s Sentenza 238/2014

2021

"The Importance of Having Rights"

Journal for Foreign Public Law and International Law
2021

"COVID-19 as a Catalyst for the (Re-)Constitutionalisation of International Law"

Crisis Narratives in International Law
2021

Animals in International Law

  • International and Comparative Law
2021

"Covid-19 shows the Need for a Global Animal Law"

Derecho Animal
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

The State of Nature: Histories of an Idea

2021

"§ 13 Die Verfahren beim EGMR"

European Legal Protection and Procedural Law
2021

"World Lawyers’ Pledge on Climate Action"

Environmental Policy and Law
2021

Due Diligence in the International Legal Order

  • International and Comparative Law
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

Studies in Global Animal Law

2020

"Introduction: International Law Governing Armed Conflict"

  • International and Comparative Law
Law Applicable to Armed Conflict
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

"Politics and the Histories of International Law: An Introduction to the Special Issue"

  • International and Comparative Law
  • Constitutional Law
  • Human Rights
Journal of the History of International Law
2020

"Conclusions: Productive Divisions"

  • International and Comparative Law
Law Applicable to Armed Conflict
2020

"Good Faith"

  • International and Comparative Law
The UN Friendly Relations Declaration at 50: An Assessment of the Fundamental Principles of International Law
2020

"Law and the Political Economy of Hunger"

  • International and Comparative Law
  • Constitutional Law
  • Human Rights
European Journal of International Law
2020

"Due Diligence: The Risky Risk Management Tool in International Law"

Cambridge Journal of International Law
2020

"Due Diligence and Structural Change in the International Legal Order"

  • International and Comparative Law
Due Diligence in the International Legal Order
2020

Völkerrecht: Allgemeiner Teil

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

"Legal Uncertainty and Indeterminacy: Immutable Characteristics of the OSCE?"

  • International and Comparative Law
The Legal Framework of the OSCE
2019

"Constitutionalization"

Concepts for International Law: Contributions for Disciplinary Thought
2019

"Dilution of Self-Defence and its Discontents"

  • International and Comparative Law
Self-Defence Against Non-State Actors
2019

"Self-Defence Against Non-State Actors -- The Way Ahead."

  • International and Comparative Law
Self-Defence Against Non-State Actors
2019

"Introduction to the Series: Trialogical International Law"

  • International and Comparative Law
Self-Defence Against Non-State Actors
2019

"Religious Slaughter and Animal Welfare Revisited: CJEU, Liga van Moskeeen en Islamitische Organisaties Provincie Antwerpen (2018)"

  • Human Rights
Canadian Journal of Comparative and Contemporary Law
2019

"Transformation of the OSCE's Legal Status"

  • International and Comparative Law
The Legal Framework of the OSCE
2019

The Legal Framework of the OSCE

  • International and Comparative Law
2019

Global Constitutionalism from European and East Asian Perspectives

  • International and Comparative Law
2018

"How Not to Do Things with International Law"

  • International and Comparative Law
  • Constitutional Law
  • Human Rights
Ethics & International Affairs
2018

"International Legal Scholarship Under Challenge"

  • International and Comparative Law
International Law as a Profession
2017