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 87-88 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 in rural sociology, Pennsylvania State University, University Park. 1962. 61 pages.
