Columbia subject headings:
Communism--Soviet Union.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za.
Lenin, Vladimir Ilʹich, 1870-1924.
Proletariat.
Soviet Union--Politics and government--1917-1936.
Harvard subject headings:
Communism--Soviet Union
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za.
Lenin, Vladimir Ilʹich, 1870-1924
Proletariat.
Soviet Union--Politics and government--1917-1936.
Princeton subject headings: