Nuclear exports, international safety and environmental issues : hearings before the Subcommittee on International Economic Policy and Trade of the Committee on Foreign Affairs, House of Representatives, Ninety-sixth Congress, December 18, 1979, and May 7, 1980.

Mode of access: Internet.

U.S. policy toward Nicaragua and Central America : hearing before the Committee on Foreign Relations, United States Senate, Ninety-eighth Congress, first session, April 12, 1983.

Mode of access: Internet.

United States scientific and technical exchanges with the Soviet Union : hearing before the Subcommittees on International Security and Scientific Affairs and International Operations of the Committee on Foreign Affairs, U.S. House of Representatives, Ninety-sixth Congress, second session, on H.J. Res. 534, May 20, 1980.

Mode of access: Internet.