Treaty research basics can be found in the Boston University Law Library's Treaty Research Guide. Follow the links included, and if you need assistance with sources that are not electronic contact the MLIC Reference Desk for help in your research.
Modern Treaty Law and Practice 2nd ed. This will provide a detailed explanation of the law of treaties.
Multilateral Treaty Calendar, 1648-1995.
Treaties and Other International Agreements: The Role of the United States Senate. Traces the process of making treaties and gives background information on the Senate role in treaties.
Treaties and other international agreements of the United States of America, 1776-1949. Published by the U.S. Government Printing Office this 13 volume set is the most comprehensive retrospective collection of American treaties. This set brings together all the treaties and international agreements entered into by the United States between 1776 and 1949, regardless of whether they are currently in force. There is an index volume for the set.
Print volumes
Statutes at Large. Publication of treaties in the Statutes began in 1903. Publication of international agreements began in 1931. Publications of treaties and international agreements in the Statutes continued until 1950-51. There is a list of all treaties and international agreements which were published in the Statutes in part 3 of volume 64.
Print volumes
United States Treaties and Other International Agreements (UST) This is the official publication of the full text of agreements and treaties to which the U.S. is a party. Prior to the publication of this title, treaties were published in the Statutes at Large.
Treaties and Other International Acts Series (TIAS) This series has the official slip version of agreements and treaties to which the United States is a party.
U.S. Dept. of State. Office of Legal Advisor. Treaty Affairs
Treaties in Force: A list of Treaties and Other International Agreements of the United States in Force on ... An annual publication.
U.S. Dept. of State. Office of Legal Advisor. Treaty Affairs
A Guide to the United States Treaties in Force. An annual index to be used with Treaties in Force.
For information on current U.S.treaty actions see:
U.S. Dept. of State. Office of Legal Advisor. Treaty Affairs
United Nations Treaty Collection Includes UN treaty series and the League of Nations treaty series as well as the Multilateral Treaties Deposited with the Secretary-General database.