Title: Vtoroĭ ocherednoĭ sʺi︠e︡zd Ross. sot︠s︡.-dem. rabocheĭ partīi; polnyi tekst protokolov. Izd. Tsentralʹnago kom
Subjects: Communism, Congresses, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡
Places: Russia