Columbia subject headings:
Soviet Union. Ministerstvo inostrannykh del.
Warsaw Treaty Organization--History--Sources.
Warsaw Treaty Organization.
Harvard subject headings:
Europe, Eastern--Defenses.
Security, International.
Soviet Union. Ministerstvo inostrannykh del.
Warsaw Treaty Organization--History--Sources.
World politics--1975-1985
Princeton subject headings:
Europe, Eastern--Defenses.
Warsaw Treaty
Warsaw Treaty Organization.