Page 26 in Extension Circular 521, Review of Extension Research, January through December 1958, U.S. Department of Agriculture, Washington, D.C. Summary of a research paper for a Master of Science degree in agricultural journalism, University of Wisconsin, Madison. 1958. 66 pages.
Page 74 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Summary of research paper for a master of science degree in agricultural journalism, University of Wisconsin, Madison. 1959. 49 pages.