Page 64-65 in Review of Extension Research, January through December 1957. Survey for Agricultural Extension, University of California, Berkeley. 1957. 8 pages.
Page 60 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of Ohio Agricultural Experiment Station Research Bulletin 890 of this title, Ohio State University, Wooster. 1961. 18 pages.
Pages 74-75 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Summary of research report, Extension Service, Michigan State University, E. Lansing. 1959. 17 pages.
Pages 73-74 in Extension Circular 521, Review of Extension Research, January through December 1958, U.S. Department of Agriculture, Washington, D.C. Summary of the thesis for a Master of Science degree, Ohio State University, Columbus. 1958. 69 pages.
Pages 84-85 in Extension Service Circular 544, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of thesis for the master of arts degree in agricultural education, Ohio State University, Columbus. 1962. 77 pages.
