Title: II [i.e.vtoroi] sʺezd RSDRP i ego istoricheskoe znachenie
Subjects: Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡. Sʺezd 1903 : Brussels, Belgium and London, England)