Columbia subject headings:
European cooperation.
Security, International.
Soviet Union--Foreign relations--1975-1985.
United States--Foreign relations--1981-1989.
Harvard subject headings:
European cooperation.
Security, International.
Soviet Union--Foreign relations--1975-1985
United States--Foreign relations--1981-1989.
United States--Foreign relations--1989-
Princeton subject headings:
European cooperation.
Security, International.
Soviet Union--Foreign relations--1975-.
United States--Foreign relations--1981-.