World Treaty Library

This collection, part of our subscription to Hein Online, brings together Rohn, Dumont, Bevans, Martens, League of Nations, United States, and United Nations treaties into one easy-to-use and fully searchable database. 


Onsite access through the IALS account is available in IALS, SAS, SHL and University of London law departments. Remote access is available to IALS and SAS staff, fellows and students, University of London law staff and students (including LLM students) via a current IALS Library card or SAScard.  


Includes Hein's U.S. Treaty Index (1776-present), United Nations Treaty Series (1948-present), League of Nations Treaty Series (1920-1946), Rohn's World Treaty Index (1900-2000), Historical Treaty Index (1648-1919), Multilateral Treaty Calendar (1648-1995), and Martens' Treaties (1761-1944).

Also included are hundreds of related treaty publications, selected scholarly articles as chosen by the editors, and a bibliography of related publications.


The treaty library can be both browsed, and searched by keywords, title, parties, date of signing or citation. To search, click the treaty index option from the collection homepage, this option will open a search screen, giving the user the ability to easily search across all major treaty indexes at the same time. Use the drop-down menu in each search box to select your preferred search option from twelve different fields, (e.g. keyword, country, full-text, etc.).  You can highlight one or more individual titles to limit your search to those titles only, and use the date range to further narrow the scope of your results. If the full text of any treaty found using these indexes is available in HeinOnline, a link to that treaty will be available.

To browse, select All Titles or Major Treaty Collections from the collection homepage. The list of available titles will appear and can be expanded by clicking the + next to any title. The All Titles option has a convenient letter index to help quickly navigate the list of titles. Adjust the list of titles and browse by Title, Author, or Date. 


Once you have the document you need, you can click the PDF option at the top of the screen to instantly download it, or use the printer icon towards the top of the screen for further printing and downloading options.


Detailed help files, including a complete user guide and details on advanced search syntax, are available by clicking Help at the very top of the screen.