The Russian revolution, 1917-1921 in two volumes - Chamberlin, William Henry 1897-1969 (New York Grosset & Dunlap, 1965)
V. 1. 1917-1918 : from the overthrow of the czar to the assumption of power by the Bolsheviks V. 2. 1918-1921 : from the Civil War to the consolidation of power