Columbia subject headings:
Europe, Eastern--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1975-1985.
Soviet Union--Foreign relations--Europe, Eastern.
Harvard subject headings:
Europe, Eastern--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1975-1985
Soviet Union--Foreign relations--Europe, Eastern.
Princeton subject headings:
Europe, Eastern--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1975- .
Soviet Union--Foreign relations--Europe, Eastern.