Columbia subject headings:
Soviet Union--Foreign relations--1975-1985.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--1977-1981.
United States--Foreign relations--Soviet Union.
Harvard subject headings:
Princeton subject headings:
Soviet Union--Foreign relations--1975-.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--1977-1981.
United States--Foreign relations--Soviet Union.