Public International Law

Wolfrum, R., Solidarity and Community Interests
Solidarity and community interest may appear to be purely abstract notions. But in fact they may form the basis of a more flexible approach to international lawmaking than traditional formulas of legally binding commitments.
Hartmann, J. and Khaliq, U. (eds.), The Achievements of International Law: Essays in Honour of Robin Churchill, 2021
The aim of this collection of essays in Robin Churchill's honour is to discuss some key examples of the achievements of international law – with the express aim of exploring both what it has achieved and also its limits.
Soirila, U., The Law of Humanity Project: a Story of International Law Reform and State-making, 2021
This book provides the first comprehensive introduction to the role of humanity in international law, offering a fresh perspective to a discussions with global implications. The 1990s and the first decade of the twenty-first century witnessed the sporadic emergence of a new vision of global law.
Tladi, Peremptory Norms of General International Law (Jus Cogens): Disquisitions and Disputations, 2021
Peremptory Norms of General International Law (Jus Cogens): Disquisitions and Dispositions brings together an impressive collection of authors addressing both conceptual issues and challenges relating to peremptory norms of general international.
Research guide
Other | International Customary Law | Peace Palace Library
According to Article 38 of its Statute, the International Court of Justice 'whose function is to decide in accordance with international law such disputes as are submitted to it,' has to apply, inter alia, 'international custom.' This source of public international law is described, in t
D'Aspremont, J., The Discourse on Customary International Law, Oxford, Oxford University Press, 2021.
Along with treaties, custom is one of the sources of international law. It is known to consist of two elements: state practice and opinio juris. While many studies have looked at traditional questions of how to identify customary law, this book takes a new and original approach.