Columbia subject headings:
Harvard subject headings:
Detente.
United States--Foreign relations--1945-
United States--Foreign relations--1945-1989.
United States--Foreign relations--1969-1974.
United States--Foreign relations--1974-1977.
United States--Foreign relations--1977-1981.
Princeton subject headings:
Detente.
United States--Foreign relations--1945-1989.