Title: Problemy revoli︠u︡t︠s︡ii
Subjects: History, Socialism, Communism, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡
Places: Soviet Union, Russia
Time periods: Revolution, 1917-1921