Columbia subject headings:
Balance of payments--United States.
United States--Commerce.
United States--Economic conditions--1971-1981.
United States--Economic conditions--1981-2001.
United States--Foreign economic relations.
Harvard subject headings:
Balance of payments--United States
United States--Commerce.
United States--Economic conditions--1971-1981.
United States--Economic conditions--1981-2001.
United States--Foreign economic relations.
Princeton subject headings:
Balance of payments--United States.
United States--Commerce.
United States--Economic conditions--1971-.
United States--Foreign economic relations.