Lenin i mezhdunnrodnaia sotsial-demokratiia. - Temkim, Iakov Grigor'evich. (Moskva : "Nauka", 1968)
At head of title: IA. G. Temkin.
Bibliographical footnotes.
Keywords: Lenin, Vladimir Ilich, -- 1870-1924.; Rossiiskaia sotsial-demokraticheskaia rabochaia partiia -- History; Socialism -- Europe -- Congresses