Pages 10-11 in Extension Circular 521, Review of Extension Research, January through December 1958, U.S. Department of Agriculture, Washington, D.C. Summary of a thesis for a Master of Science degree in agricultural extension, Michigan State University, East Lansing. 1958. 79 pages.
Page 68 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 in radio and television, University of Illinois, Urbana. 1961. 72 pages.
Page 66 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 in agriculture, University of Kentucky, Lexington. 1961. 70 pages.
