Title: Mezhdunarodnoe rabochee dvizhenie v ėpokhu imperializma (1900-1914gg.)
Subjects: History, International Socialist Congress. http://id.loc.gov/authorities/names/n2004075056, Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza, Socialist International (1889-1922), Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za