"Report is the result of four years' consideration and debate by the Science Council's Committee on Canada's Scientific and Technological Contribution to World Food Supply."--Pref
"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."