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