Pages 77-78 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 in public relations, American University, Washington, D.C. 1961. 106 pages.
Pages 61-62 in Extension Circular 534, Review of Extension Research, January through December 1960, U.S. Department of Agriculture, Washington, D.C. Summary of ER&T-38 (3-60), Federal Extension Service, U.S. Department of Agriculture, Washington,D.C. 1960. 4 pages.
