Sixth International Tin Agreement : New York, 3. 8. 1981 to 30. 4. 1982 ; pres. to Parliament by The Secretary of State for Foreign and Commonwealth Affairs

To authorize a contribution by the United States to the tin buffer stock established under the fifth International tin agreement : hearing before the Subcommittee on Economic Stabilization of the Committee on Banking, Finance, and Urban Affairs, House of Representatives, Ninety-fifth Congress, second session, on H.R. 9486 ... May 11, 1978

(1978)

Fourth International tin agreement, London, 1 July 1970 - 29 January 1971

(1970)

The world tin market : political pricing and economic competition

Baldwin, William L., (1983)