Controls on exports to South Africa : hearings before the Subcommittees on International Economic Policy and Trade and on Africa of the Committee on Foreign Affairs, House of Representatives, Ninety-seventh Congress, second session, February 9 and December 2, 1982

Enforcement of the United States arms embargo against South Africa : hearing before the Subcommittee on Africa of the Committee on Foreign Affairs, House of Representatives, Ninety-seventh Congress, second session, March 30, 1982

(1982)

U.S. policy toward South Africa : hearings before the Subcommittees on International Economic Policy and Trade, on Africa, and on International Organizations of the Committee on Foreign Affairs, House of Representatives, Ninety-sixth Congress, second session

(1980)

Regulation changes on exports : hearing before the Subcommittee on Near Eastern and South Asian Affairs of the Committee on Foreign Relations, United States Senate, Ninety-seventh Congress, second session , on the change in Department of Commerce regulations on exports to Iraq, South Africa, Syria, and South Yemen, March 18, 1982

(1982)