Pages 77-78 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, Michigan State University, East Lansing. 1962. 205 pages.
Page 62 in Extension Circular 534, Review of Extension Research, January through December 1960, U.S. Department of Agriculture, Washington, D.C. Summary of thesis for master of arts in adult education, University of Maryland, College Park. 1960. 91 pages.
