List of contributors; 1. Introduction: from fragmentation to convergence Mads Andenas and Eirik Bjorge; Part I. Reassertion and Convergence: 'Proliferation' of Courts and the Centre of International Law; Section A. At the Centre: The International Court: 2. Unity and diversity in international law Christopher Greenwood; 3. A century of international justice and prospects for the future Antônio Augusto Cançado Trindade; 4. The International Court of Justice and human rights treaty bodies Nigel Rodley; 5. The ICJ and the challenges of human rights law Vera Gowlland-Debbas; 6. Factors influencing fragmentation and convergence in international courts Philippa Webb; Section B. 'Regimes' of International Law: 7. Fragmentation or partnership? The reception of ICJ case-law by the European Court of Human Rights Dean Spielmann; 8. Factors influencing the reception of international law in the case law of the ECtHR's case law: a review Magdalena Forowicz; 9. The influence of the International Court of Justice on the law of provisional measures Cameron A. Miles; 10. Just another case of treaty interpretation? Reconciling humanitarian and human rights law in the ICJ Lawrence Hill-Cawthorne; 11. Fragmentation within international human rights law Mehrdad Payandeh; 12. The European Union's participation in international economic institutions: a mutually beneficial reassertion of the centre Emanuel Castellarin; 13. Reinforcing the ICJ's central international role? Domestic courts' enforcement of ICJ decisions and opinions Veronika Fikfak; Part II. A Farewell to Fragmentation and the Sources of International Law; Section A. Custom and Jus Cogens: 14. The International Court of Justice and the international customary law game of cards Lorenzo Gradoni; 15. State practice, treaty practice and state immunity Alexander Orakhelashvili; 16. Historical sketches of custom in international law Jean-Louis Halpérin; Section B. Treaty Interpretation: 17. Is there a subject-matter ontology in interpretation of international legal norms? Robert Kolb; 18. Halfway between fragmentation and convergence: the role of the rules of the organization in the interpretation of constituent treaties Paolo Palchetti; 19. The convergence of the methods of treaty interpretation Eirik Bjorge; 20. The centre reasserting itself Mads Andenas; Index.