Title: Bolʹsheviki v borʹbe s neproletarskimi partii︠a︡mi, gruppami i techeni︠a︡mi
Subjects: Party work, Political parties, History, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡
Places: Soviet Union