U.S. Treaties and Other International Agreements of the United States of America, compiled by Charles Bevans, is a 13-volume set is considered to be the most complete collection of treaties and other agreements entered into by the United States from 1776 to 1950.
Via Hein. Treaties in Force is an indexing tool for starting research on in-force treaties and agreements. Published annually by the Department of State since 1955, TIF provides a brief summary of all treaties and other international agreements, both bilateral and multilateral, which are considered to be in force for the United States as of January of the respective year. Bilateral treaties are arranged by country and grouped into subjects under each country, while multilateral treaties are arranged by subject. HeinOnline includes all previously published volumes of TIF.
EISIL is a convenient gateway for accessing major multilateral treaties, whether or not the U.S. is a party. If you know the name of the treaty, use the Advanced Search and restrict your search to the title field. Or browse by subject
This series encompasses more than 100,000 multilateral and bilateral treaties registered or recorded with the U.N. since 1946, including many treaties to which the U.S. is a party. Search filters include participant (country), title (in English or French), treaty type (multilateral or bilateral), registration number, and U.N.T.S. volume number, among many others.