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