Title: Iz istorii borʹby leninskoĭ partii protiv opportunizma
Subjects: Socialism, Rossiiskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡, History, Rossiskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡
Places: Soviet Union
People: Vladimir Ilʹich Lenin (1870-1924)