Page 70 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of thesis for the master of science degree, Michigan State University, East Lansing. 1961. 62 pages.
Pages 75-76 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of class research project, Michigan State University, East Lansing. 1961. 82 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 15 Document Number: B01814
Notes:
Washington DC: Cooperative Extension Work in Agriculture and Home Economics, USDA. Review of Extension Research 1946/47-1956, Extension Service Circular 506, U.S. Department of Agriculture, Washington, D.C.