Title: Bolʹsheviki Ėstonii v period Okti︠a︡brʹskoĭ revoli︠u︡t︠s︡ii
Subjects: Politics and government, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡
Places: Estonia