Q. I am looking for a copy of the Guantanamo leasing agreement.

http://avalon.law.yale.edu/20th_century/dip_cuba003.asp 

Note the source reference. We hold that volume in hard copy: 

Inter-American relations; a collection of documents, legislation, descriptions of inter-American organizations, and other material pertaining to inter-American affairs [compiled by Barry Sklar and Virginia Hagen] Washington, U.S. Govt. Print. Off., 1972.   

JX1404 I53