Columbia subject headings:
Communism--Soviet Union--History.
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--History.
Russia--Politics and government--1894-1917.
Harvard subject headings:
Communism--Soviet Union--History
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--History.
Russia--Politics and government--1894-1917
Princeton subject headings:
Communism--Soviet Union--History.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--History.
Russia--Politics and government--1894-1917.
Soviet Union--Politics and government.