Columbia subject headings:
Communism and intellectuals--History--20th century.
Intellectuals--Attitudes--History--20th century.
Soviet Union--History--1925-1953.
Soviet Union--Intellectual life--1917-1970.
Soviet Union--Politics and government--1917-1936--Foreign public opinion.
Soviet Union--Social conditions--1917-1945.
Harvard subject headings:
Soviet Union--History--1925-1953.
Soviet Union--Intellectual life--1917-1970.
Soviet Union--Social conditions--1917-1945.
Princeton subject headings:
Soviet Union--History--1925-1953.
Soviet Union--Intellectual life--1917-1970.
Soviet Union--Social conditions--1917-1945.