Schwarz, Solomon M..
The Russian Revolution of 1905: the workers’ movement and the formation of Bolshevism and Menshevism /
Solomon M. Schwarz ; The Hoover Institution on war, revolution, and peace ; translated by Gertrude Vakar 
. - Chicago : University of Chicago Press,  1967 
. - xxii, 361 p.  24 cm. 
 - Hoover Institution publications .