Columbia subject headings:
Communist leadership--Soviet Union--History.
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--History.
Soviet Union--Politics and government--1917-1936.
Harvard subject headings:
Communist leadership--Soviet Union--History.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--History.
Soviet Union--Politics and government--1917-1936.
Princeton subject headings:
Communism--History.
Dictatorship of the proletariat.
Working class--Communist countries--Political activity.