UNTS ( (United Nations Treaty Series) is a fully-searchable on-line database. (1948-- )
The Collection includes the texts of treaties in their authentic language(s), along with translations into English and French, as appropriate. The collection currently contains over 158,000 treaties and related subsequent actions which have been published in hard copy in over 2,200 volumes (the Library has the first 948 volumes).
The library has in print: World treaty index JX 171 .R63 (Library 2nd floor reference section) Treaty series / United Nations (V. 1--V. 948) JX 170 .U35 (Library lower level)