Title: Preparing for October; the Sixth Congress of the Bolshevik Party, August, 1917
Subjects: History, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡ 1917 : Saint Petersburg, Russia)
Places: Soviet Union
Time periods: Revolution, 1917-1921