Columbia subject headings:
Harvard subject headings:
Communism--Russia (Federation)--Siberia.
Russia--History--Nicholas II, 1894-1917.
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Communism--Russia (Federation)--Siberia.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡ (bolʹshevikov)--Party work.
Siberia (Russia)--Politics and government.