Columbia subject headings:
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--Party work.
Soviet Union--History--Revolution, 1917-1921.
Harvard subject headings:
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--Party work.
Rossiĭskai͡a sot͡sial-demokraticheskai͡a rabochai͡a partii͡a--Party work.
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--Party work.
Soviet Union--History--Revolution, 1917-1921.