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