Pages 77-78 in Extension Service Circular 544, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of thesis for the master of science, Michigan State University, East Lansing. 1962. 205 pages.
Australia: Compiled and published by Information and Extension Training Branch of the Queensland Department of Primary Industries with the Assistance of Funds from the Commonwealth Extension Services Grant, Brisbane, Australia
Location:
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 137 Document Number: C20867
USA: Extension Service, U.S. Department of Agriculture, Washington, D.C.
Location:
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D08951
Notes:
Page 7 in Lucinda Crile, Findings from studies of bulletins, news stories, and circular letters. Extension Service Circular 488. Revision of Extension Service Circular 461, which it supersedes. May 1953. 24 pages. Brief summary of U.S. Extension Service Circular 78. 1928. 17 pages.
Page 77 in Extension Service Circular 544, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of Federal Extension Service, ER&T-77, U.S.Department of Agriculture, Washington, D.C. 1962. 3 pages.
Page 77 in Extension Service Circular 544, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of Federal Extension Service, ER&T-146, U.S.Department of Agriculture, Washington, D.C. 1962. 3 pages.
