Treaty Research

This guide describes resources and methods for locating and updating treaties of the United States and other countries.

Other Research Guides

For additional guidance on treaty research, consult the following resources:

Introductory Resources

More Narrowly Focused Resources

Drafting Histories (Travaux Préparatoires)

Historical Treaty Research

Update History

  • Updated 05/2022 (chb)
  • Updated 01/2021 (chb)
  • Updated 08/2019 (chb)
  • Updated 08/2018 (chb)
  • Revised 07/2016 (chb)
  • Links revised 10/2012 (ajs)
  • Revised 03/2007 (aeb)