Columbia subject headings:
Communist revisionism--Russia.
Lenin, Vladimir Ilʹich, 1870-1924.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--History.
Russia--Politics and government--1894-1917.
Harvard subject headings:
Communist revisionism--Russia.
Communist revisionism--Soviet Union--History.
Lenin, Vladimir Ilʹich, 1870-1924
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--History.
Russia--Politics and government--1894-1917.
Princeton subject headings:
Communism--Soviet Union--History.
Communist party purges.
Lenin, Vladimir Ilʹich, 1870-1924.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--History.