Pages 56-57 in Extension Circular 521, Review of Extension Research, January through December 1958, U.S. Department of Agriculture, Washington, D.C. Summary of the thesis for a Master of Science degree in agricultural extension education, Louisiana State University, Baton Rouge. 1957. 62 pages.
Page 79 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Summary of research report, College of Agriculture, University of Illinois, Urbana. 1959. 24 pages.
