Title: Prazhskai︠a︡ konferent︠s︡ii︠a︡ RSDRP 1912 goda
Subjects: Communism, Congresses, History, Sources, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡
Places: Soviet Union