Find Treaty Information - POL 380 - 21st Century U.S. Diplomacy - Guides at Milner Library, Illinois State University

Treaty Information from the U.S. State Department

Treaties and Other International Acts Series (TIAS) "serves as 'legal evidence of the treaties, international agreements other than treaties, and proclamations by the President of such treaties and agreements, therein contained, in all the courts of the United States, the several States, and the Territories and insular possessions of the United States.'”

TIAS by year [1981-present]
United States Treaties and Other International Agreements (U.S.T.) [1950-1984]
Treaties and Other International Agreements of the United States of America, 1776-1949, compiled by Charles I. Bevan

Treaties in Force: Supplemental List of Treaties and Other International Agreements (.pdf)
"This publication lists treaties and other international agreements of the United States placed on record in the Department of State between January 1, 2020 and January 1, 2023. It is intended to supplement the Treaties in Force 2020."

Other Helpful Treaty Resources

U.S. State Department: Office of Treaty Affairs
"Provides advice to the Department of State and other U.S. Government agencies on U.S. and international law and practice related to the negotiation, conclusion, interpretation, application, and implementation of treaties and other international agreements."
U.S. State Department: Treaty Procedures
"The Case-Zablocki Act (1 U.S.C. 112b) – as implemented by 22 CFR Part 181 – requires coordination with the Secretary of State prior to concluding international agreements, and timely reporting to Congress of concluded international agreements upon entry into force. These requirements apply to all agencies of the U.S. Government regardless of whether such international agreements are entered into in the name of the U.S. Government or in the name of a U.S. Government agency."
U.S. State Department: Finding Agreements
Assistance on finding United States and international agreements.
United Nations Treaty Collection (UNTC)
"[T]he United Nations Treaty Series, compil[es] the texts of treaties and other international agreements registered with the UN."
Wikipedia: List of treaties
"[C]ontains known agreements, pacts, peaces, and major contracts between states, armies, governments, and tribal groups" from 3,100 B.C.E. to present.