Columbia subject headings:
Communism--Soviet Union.
Soviet Union--Foreign relations--1975-1985.
Soviet Union--Politics and government--1953-1985.
Harvard subject headings:
Communism--Soviet Union
Soviet Union--Foreign relations--1975-1985
Soviet Union--Foreign relations--1975-1985.
Soviet Union--Politics and government--1953-1985.
Princeton subject headings:
Communism--Soviet Union.
Soviet Union--Foreign relations--1975- .
Soviet Union--Politics and government--1953- .