A study prepared with financial assistance from Canadian Co-operative Wheat Producers Limited, representing the Wheat Pools of Alberta, Manitoba and Saskatchewan
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
"Planned and conducted by a subcommittee of the Agricultural Committee of the Greater Des Moines Chamber of Commerce."
"Published under the auspices of the Agricultural Committee of the Greater Des Moines Chamber of Commerce with the cooperation of the Iowa State University Center for Agricultural and Economic Development."