Title: 3-go--5-go ii︠u︡li︠a︡ 1917 g.
Subjects: History, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡ (bolʹshevikov). Petrogradskiĭ komitet
Places: Soviet Union
Time periods: Revolution, 1917-1921