Columbia subject headings:
United States--Foreign relations--1945-1989.
United States--Politics and government--1945-1989.
United States. Central Intelligence Agency.
Harvard subject headings:
United States--Foreign relations--1945-
United States--Politics and government--1945-1989.
United States. Central Intelligence Agency
Princeton subject headings:
United States--Foreign relations--1945-1989.
United States--Politics and government--1945-1989.
United States. Central Intelligence Agency