Columbia subject headings:
East-West trade.
Soviet Union--Economic conditions--1975-1985.
Soviet Union--Economic conditions--1985-1991.
Soviet Union--Foreign economic relations--United States.
United States--Foreign relations--Soviet Union.
Harvard subject headings:
East-West trade.
Soviet Union--Economic conditions--1975-1985.
Soviet Union--Economic conditions--1985-1991.
Soviet Union--Foreign economic relations--United States.
United States--Foreign economic relations--Soviet Union.
Princeton subject headings:
East-West trade.
Soviet Union--Economic conditions--1976-.
Soviet Union--Foreign economic relations--United States.
United States--Foreign relations--Soviet Union.