Page 76 in Extension Service Circular 544, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of Agricultural Extension Service Publication 434, Mississippi State University, State College. 1962. Pages not numbered.
Pages 75-76 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Summary of thesis for master of science degree in extension education, Cornell University, Ithaca, NY. 1959. 178 pages.