Pages 77-78 in Extension Circular 521, Review of Extension Research, January through December 1958, U.S. Department of Agriculture, Washington, D.C. Summary of a research project report, Louisiana State University, Baton Rouge. 1958. 59 pages.
Pages 64-65 in Extension Circular 534, Review of Extension Research, January through December 1960, U.S. Department of Agriculture, Washington, D.C. Summary of a thesis for the master of science degree, Michigan State University, East Lansing. 1960. 120 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 Document Number: D08624
Notes:
Located in Review of Extension Studies, volumes for 1946-1956, U.S. Department of Agriculture, Washington, D.C., Summary of U.S. Federal Extension Service, U.S. Department of Agriculture, Washington, D.C. Extension Service Circular 502. 14 pages.
Page 85 in Extension Service Circular 544, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of Special Report 6, Office of Extension Studies, Cornell University, Ithaca, New York. 1962. 45 pages.
Pages 79-80 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Summary of research, Communications Research Center, Michigan State University, East Lansing. 1958. 57 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 198 Document Number: D09637
Notes:
Eugene A. Kroupa Collection, Thesis for Doctor of Philosophy degree, Cooperative Extension-Administration, University of Wisconsin, Madison. 152 pages.
