Columbia subject headings:
Political persecution--Soviet Union.
Science--Soviet Union--History.
Stalin, Joseph, 1878-1953.
Harvard subject headings:
Princeton subject headings:
Philosophy, Russian--20th century--History.
Philosophy--Soviet Union--History--20th century.
Social sciences--Russia--Philosophy--History--20th century.
Social sciences--Soviet Union--Philosophy--History.
Soviet Union--History--1917-1936--Philosophy.
Stalin, Joseph, 1878-1953.