The Grain Growers' record, 1906 to 1943 : an abridged history of Grain Growers' Grain Company, 1906 to 1917, Alberta Farmers Co-operative Elevator Company, 1913 to 1917 [and] United Grain Growers Limited, 1917 to 1943
The diffusion of Grain-marketing cooperatives in southern Manitoba from 1906 to 1960, with particular emphasis on the periods 1912-17 and 1925-40 / : by Geffrey E. Katz