Title: Vtoroĭ ocherednoĭ sʺi︠e︡zd Ross. sot︠s︡.-dem. rabocheĭ partīi
Subjects: Socialism, Congresses, Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡. T︠S︡entralʹnyĭ komitet