United Nations Treaty CollectionIncludes status and full text of all multilateral treaties deposited with the United Nations - even those that have not been published yet. The UNTC also has bilateral and multilateral treaties registered with and published by the UN.
To break it down, UNTC contains the following:
Status of Multilateral Treaties Deposited with the Secretary-General (MTDSG)
United Nations Treaty Series (December 1946 - December 2006)
League of Nations Treaty Series (5 July 1920 - 3 October 1944)
Photographs of Signature Ceremonies
Monthly Statements of treaties and International Agreements
Depositary Notifications (CNs) by the Secretary-General
Titles in the UN Official Languages