Writings of Leon Trotsky - Trotsky, Leon. 1879-1940.; Breitman, George (New York : Pathfinder, 1975)
[1] 1929.--[2] 1930.--[3] 1930-31.--[4] 1932.--[5] 1932-33.--[6] 1933-34.--[7] 1934-35.--[8] 1935-36.--[9] 1937-38.--[10] 1938-39.--[11] 1939-40.