Columbia subject headings:
Mensheviks--History.
Russia--History--1904-1914.
Socialist parties--Soviet Union--History.
Soviet Union--History--1917-1936.
Harvard subject headings:
Mensheviks--History.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--History.
Russia--Politics and government--1894-1917.
Princeton subject headings:
Mensheviks--History.
Russia--History--1904-1914.
Socialist parties--Soviet Union--History.
Soviet Union--History--1917-1936.