Title: Vtoroĭ sʺi︠e︡zd Ros. sots.-dem. rabocheĭ partīi
Subjects: Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡, Sʺezd RSDRP(b) (2nd : 1903 : Brussels, Belgium; London, England)