- •Research Guides
- •Evidence of State practice
- •Records of a State's foreign relations and diplomatic practices
- •Legislation concerning a country's international obligations
- •Resolutions, declarations, and legislative acts of intergovernmental organizations
- •In order to locate references to evidence of customary international law in the above mentioned sources, use the following tools:
- •Digests of international law
- •International Law, Chiefly as Interpreted and Applied in Canada (6th ed., Toronto: Edmond Montgomery, 2000).
- •Repertories
- •Yearbooks of States and of intergovernmental organizations
- •Isil Year Book of International Humanitarian and Refugee Law (New Delhi: Indian Society of International Law, 2001-).
- •International Court of Justice
- •Von Glahn, Law Among Nations: An Introduction to Public International Law (7th ed., Boston: Allyn and Bacon, 1996).
- •Journal Articles
- •Publications of scholarly international law associations
Von Glahn, Law Among Nations: An Introduction to Public International Law (7th ed., Boston: Allyn and Bacon, 1996).
Encyclopedia of Public International Law (Amsterdam: North Holland, 12 vols., 1981-1990). New edition (Amsterdam: New York: Elsevier North Holland, 1992-).
Journal Articles
Search LawCat under the subject: international law--periodicals. These are just a few, don't forget to search periodical indexes. International journals and yearbooks provide surveys of state practice by treaty as well.
American Journal of Comparative Law (Berkeley : American Association for the Comparative Study of Law, 1952-). Also available from Hein Online, JSTOR, Lexis and Westlaw.
Hague Academy of International Law, Recueil des Cours (Leyde, A.W. Sijthoff, 1923-). French and English.
International and Comparative Law Quarterly (London: British Institute of International and Comparative Law, 1952-). Also available on HeinOnline.
Institute of International Law, Annuaire de l'Institut de Droit International (Paris: A. Pedone, 1877-). Library has 1947-. Reports of annual meeting; texts of resolutions.
European Journal of International Law (Firenze Ferrovia : European Journal of International Law, European University Institute, 1990-). Also available on HeinOnline.
Publications of scholarly international law associations
Search LawCat under the author: [NAME OF ASSOCIATION].
International Law Association, Report of the ... Conference (London: The Association, 1873-). Reports of working committees; names and addresses of members. Often summarizes the state of customary law on a particular subject.
Institute of International Law, Annuaire de l'Institut de Droit International (Paris: A. Pedone, 1877-). Library has 1947-. Reports of annual meeting; texts of resolutions.
Hague Academy of International Law, Recueil des Cours (Leyde, A.W. Sijthoff, 1923-). French and English.
United Nations International Law Commission, Yearbook of the International Law Commission (New York: United Nations, 1949-). This body is charged with codifying international law. This is a very important tool because often the views of the member-States are often sought on draft treaties. See their web site.
International law encyclopedias
Encyclopedia of Public International Law (Amsterdam: North Holland, 12 vols., 1981-1990). New edition (Amsterdam: New York: Elsevier North Holland, 1992-).
Grant, Parry & Grant Encyclopaedic Dictionary of International Law (2nd ed., New York: Oceana, 2004).
Osmanczyk, The Encyclopedia of the United Nations and International Agreements (3rd ed., NY: Taylor & Francis, 2003).