Columbia subject headings:
Harvard subject headings:
Authors, Russian--20th century--Biography
Dissenters--Soviet Union--Biography
Political persecution--Soviet Union.
Politics and literature--Soviet Union.
Soviet Union--History.
Princeton subject headings:
Authors, Russian--20th century.
Censorship--Soviet Union--History.
Dissenters--Soviet Union.
Political persecution--Soviet Union.
Politics and literature--Soviet Union.
Soviet Union--History.