Title: Tretii se̋zd RSDRP, 1905-1940
Subjects: Communism, Congresses, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡. Sʺezd 1905 : London, England)
Places: Soviet Union