Columbia subject headings:
Dissenters--Soviet Union--History--20th century.
Soviet Union--Politics and government--1953-1985--Sources.
Harvard subject headings:
Dissenters--Soviet Union
Soviet Union--Intellectual life--1970-1991.
Soviet Union--Politics and government--1953-1985--Sources.
Princeton subject headings:
Dissenters--Soviet Union--History--Sources.
Human rights--Soviet Union--History--Sources.
Soviet Union--Politics and government--1953-1985--Sources.