Page 8 in Extension Circular 534, Review of Extension Research, January through December 1960, U.S. Department of Agriculture, Washington, D.C. Summary of Research Bulletin 850, Ohio Agricultural Experiment Station, Ohio State University,Columbus. 1960. 38 pages.
Pages 11-12 in Extension Circular 534, Review of Extension Research, January through December 1960, U.S. Department of Agriculture, Washington, D.C. Summary of master's report for the master of education in extension education, Colorado State University, Ft. Collins. 1960. 123 pages.
