Page 56-57 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of a thesis for the master of science degree, Ohio State University, Columbus. 1960. 79 pages.
Page 55 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Summary of thesis for a master of science degree, University of Kentucky, Lexington. 1959. 42 pages.
Page 75 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 agricultural extension education, Louisiana State University, Baton Rouge. 1961. 76 pages.
