Columbia subject headings:
Harvard subject headings:
Revolutions--Philosophy
Russia--Historiography
Russia--History--1801-1917.
Soviet Union--History--Revolution, 1917-1921--Historiography.
Princeton subject headings:
Revolutions--Philosophy.
Russia--Historiography.
Russia--History--1801-1917.
Soviet Union--History--Revolution, 1917-1921--Historiography.