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.
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.
Pages 14-15 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of a master's report for the master of education degree in extension education, Colorado State University, Ft. Collins. 1961. 115 pages.
