Major Collections
- Treaties & International Agreements [WorldLII]Links to treaties arranged by countries or by subject and to multinational treaty collections. Also links to international organizations and other treaty research guides.
- Treaty Publications [HeinOnline]
Multiple sources. Covers 1776 to date. - U.S. Treaties and Other International Agreements [Westlaw]Contains treaties to which the U.S. is a party. Covers 1778 to date.
- U.S. Treaties on LEXIS [Lexis Advance]Contains ratified and unratified treaties to which the U.S. is a party or signatory. Covers 1776 to date.
- United Nations Treaty Collection [United Nations]Contains more than 200,000 treaties registered or filed with the U.N. Secretariat, in their original languages with English and French translations. Covers Dec. 1946 to date.
- United States Treaties Collection [Law Library of Congress]Contains treaties and other international agreements. Covers 1795 to 1945 and 1996 to 2014. Includes Treaties and other international agreements of the United States of America, 1776-1949, compiled by Charles I. Bevans, and the U.S. State Department's list of international agreements to which the U.S. is a party, 1996 to date.
- World Treaty Library (Hein Online)For older treaties, this database offers access to United States treaties from 1776 to present, and to other treaties as early as 1648. The “Treaty Index” offers search options such as keyword, title, country, citation, treaty number and others.
- Treaties and International Acts Series (TIAS) [U.S. Department of State]Includes treaties to which the U.S. is a party back to 1982. Offers additional information on publication of older treaties.
Collections by Topic
Several sources specialize in treaties dealing with particular topics.
- (Arms Control) Treaties and Agreements [U.S. State Department]Contains 30 treaties and agreements (as of Sept. 2015).
- (Food and Agriculture) Treaties under Article XIV of the FAO Constitution [Food and Agriculture Organization]Contains 10 treaties and agreements dated from 1963 to 2009.
- (Nonproliferation) Treaties and Agreements [U.S. State Department]About 25 agreements, conventions, and protocols.
- The Avalon Project [Yale Law School Library]Covers diplomacy and peace treaties and agreements from ancient times to date.
- Environmental Treaties and Resource Indicators [Columbia University, Center for International Earth Science Information Network]Contains more than 650 treaties and agreements.
- EUR-Lex [European Union]Contains treaties that constitute binding agreements between countries that are members of the EU, setting out the EU's objectives, rules for EU institutions, decision-making, and the relationship between the EU and member countries.
- Human Rights Treaties and Other Instruments [University of Minnesota]A large collection of treaties, agreements, conventions, covenants, declarations, and protocols. Covers 1904 to date.
- International Tax Treaties [Westlaw]A large collection of bilateral treaties on income and other types of taxation.
- Tax Analysts Worldwide Tax Treaties [Lexis Advance]Covers 1906 to date.
- Tax Treaties and Conventions [Westlaw]Bilateral treaties between the U.S. and foreign nations. Covers 1844 to date.
- Transnational Commerce International Trade Agreements [Lex Mercatoria]Covers treaties and agreements from the 1800's to date.
- United States Income Tax Treaties [U.S. Internal Revenue Service]In-force bilateral treaties between the U.S. and foreign nations.