Essential Sources

Dictionaries and Encyclopedias

Research Guides

Bibliographies & Indexes


Selected Treatises on International Law

Internet Resources

Dictionaries and Encyclopedias


Bieber's Dictionary of Legal Abbreviations (5th ed.). This work includes English-language abbreviations for many foreign agencies, organizations, periodicals and other publications.

Robert L. Bledsoe & Boleslaw A. Boczek, The International Law Dictionary (1978). This dictionary provides fairly long definitions and is useful for getting an overview of international law topics. Entries are alphabetical under broad subject headings, with cross references to related terms. Boczek’s International Law: A Dictionary (2005) follows a similar format.

Cardiff Index to Legal Abbreviations This website allows you to search for the meaning of abbreviations for English language legal publications from the British Isles, the Commonwealth and the United States, including those covering international and comparative law.

Encyclopedia of Public International Law. This highly regarded source contains scholarly articles about various aspects of public international law. This is a good place to begin your research. Originally published in 1981, a new edition with addenda and some new articles was issued 1992-.

James R. Fox, Dictionary of International and Comparative Law (3rd ed.). This dictionary gives brief definitions, citations to further sources, and listings of acronyms and popular names; a good resource for quick answers.

Edmund Jan Osmanczyk, The Encyclopedia of the United Nations and International Agreements (3rd ed.). A very good source that provides the text of agreements, information on international concepts, and reviews of the major international organizations.

Oxford Companion to Law. This one-volume British encyclopedia provides information on many foreign and international topics.

Clive Parry & John P. Grant, The Encyclopaedic Dictionary of International Law (2nd ed.). This is an excellent and reliable source, with alphabetically arranged entries defining and explaining the terms, phrases and subject matter of international law.

World Dictionary of Legal Abbreviations. This dictionary, which is regularly supplemented, includes abbreviations in English, French, German, Hebrew, Italian, Portuguese and Spanish. It can be difficult to use because you need to know what language an abbreviation is in before you can look it up.