Columbia subject headings:
Detente.
Peace.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Soviet Union.
Harvard subject headings:
Detente.
Europe--Foreign relations--1945-
Europe--Foreign relations--1970-
Europe--Politics and government--1945-
Europe--Politics and government--1970-
Princeton subject headings:
Detente.
Europe--Foreign relations--1970-.
Europe--Politics and government--1970-.