Columbia subject headings:
Harvard subject headings:
Conference on Security and Cooperation in Europe (1975 : Helsinki, Finland)
Europe--Defenses.
Nuclear disarmament--Soviet Union
Nuclear disarmament--United States
Security, International
World politics--1945-1989
Princeton subject headings:
Conference on Security and Cooperation in Europe (1975 : Helsinki, Finland)
Europe--Defenses.
Nuclear disarmament--Soviet Union.
Nuclear disarmament--United States.
Security, International.
World politics--1945-1989.