"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 Agriculture and Economic Development."
Tradition and transition : extension education for the farm unit in a changing society : a study of all agricultural extension services in Alberta with new directions charted to 1980
The Grange, friend of the farmer : a concise reference history of America's oldest farm organization, and the only rural fraternity in the world, 1867-1947