Columbia subject headings:
Harvard subject headings:
Communism--Russia--History.
Rossiĭskai͡a sot͡sial-demokraticheskai͡a rabochai͡a partii͡a
Socialism--Russia.
Princeton subject headings:
Communism--Russia--History.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡.
Socialism--Russia.