Columbia subject headings:
Marxist criticism.
Soviet Union--Foreign public opinion.
Soviet Union--Politics and government--1917-1936.
Harvard subject headings:
Communism--Soviet Union--History
Soviet Union--Politics and government--1917-1936.
Soviet Union--Politics and government--1936-1953.
Soviet Union--Social conditions--1917-1945.
Soviet Union--Social conditions.
Princeton subject headings:
Marxist criticism.
Soviet Union--Foreign public opinion.
Soviet Union--Politics and government--1917-1936.
Soviet Union--Politics and government--1936-1953.