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Treaty Research - Basic Resources
Finding the text of treaties, plus information about status and parties.
Details of "over 2,000 of the most significant multilateral treaties concluded from 1353 onwards and a number of significant bilateral treaties signed between 1353 and 1815." Has links to online text (where available) and citations to print versions. [Free; no access restrictions.]
This site has an extensive collection of multilateral treaties but suffers from a cumbersome search engine. Includes the United Nations Treaty Series (UNTS) and the League of Nations Treaty Series (LNTS). [Free; no access restrictions.]