Columbia subject headings:
United States--Economic conditions--1971-1981.
United States--Economic conditions--1981-2001.
United States--Foreign relations--1974-1977.
United States--Foreign relations--1977-1981.
United States--Foreign relations--1981-1989.
United States--Military policy.
United States--Politics and government--1974-1977.
United States--Politics and government--1977-1981.
United States--Politics and government--1981-1989.
Harvard subject headings:
United States--Economic conditions--1971-1981.
United States--Economic conditions--1981-2001.
United States--Foreign relations--1974-1977.
United States--Foreign relations--1977-1981.
United States--Foreign relations--1981-1989.
United States--Foreign relations--1989-
United States--Military policy.
United States--Politics and government--1974-1977.
United States--Politics and government--1977-1981.
United States--Politics and government--1981-1989.
Princeton subject headings:
United States--Economic conditions--1971-1981.
United States--Economic conditions--1981-2001.
United States--Foreign relations--1974-1977.
United States--Foreign relations--1977-1981.
United States--Foreign relations--1981-.
United States--Military policy.
United States--Politics and government--1974-1977.
United States--Politics and government--1977-1981.
United States--Politics and government--1981-.