Title: K dvadt︠s︡atipi︠a︡tiletii︠u︡ Pervogo sʺezda partii (1898-1923)
Subjects: History, Congresses, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡. Sʺezd 1898 : Minsk, Belarus)
Places: Russia