Columbia subject headings:
Harvard subject headings:
Christian sociology.
Communism and religion.
Communism--Soviet Union
Soviet Union--Civilization.
Soviet Union--History--Revolution, 1917-1921--Philosophy.
Soviet Union--History--Revolution, 1917-1921.
Soviet Union--Intellectual life.
Princeton subject headings:
Communism and religion.
Communist countries--Civilization.
Philosophy, Marxist--Religious aspects.
Religion and politics--Communist countries.