A content analysis of the 1959-1960 communication training program of the Purdue University Cooperative Extension Service with emphasis on certain communication principles
Page 31 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 doctor of philosophy degree in speech at Purdue University, Lafayette, Indiana. 1960. 289 pages.