Pages 82-83 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of research, Baltimore City Extension Service, Baltimore, Maryland. 1961. 26 pages.
Pages 81-82 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of research, Agricultural Experiment Station, University of Minnesota, St. Paul. 1961. 12 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 15-16 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of research for a doctor of education degree in extension education, Cornell University, Ithaca, New York. 1961. 200 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.
Pages 62-63 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of masters report for the master of science in agricultural education, Oklahoma State University, Stillwater. 1961. 83 pages.
Pages 70-71 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of Federal Extension Service ER&T-141, U.S. Department of Agriculture, Washington, D.C.. 1961. 5 pages.
