Columbia subject headings:
Harvard subject headings:
Intellectuals--Russia (Federation)--Political activity.
Intellectuals--Soviet Union--Political activity.
Princeton subject headings:
Intellectuals--Russia--History--20th century.
Intellectuals--Soviet Union.
Russia--Intellectual life--20th century.
Russia--Politics and government--1894-1917.
Soviet Union--Intellectual life.
Soviet Union--Politics and government.