Pages 79-80 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Summary of research, Communications Research Center, Michigan State University, East Lansing. 1958. 57 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 53-54 in Review of Extension Research, January through December 1957. Information Sheet 540, Mississippi Agricultural Experiment Station, Mississippi State University, State College. 1956.
Page 79 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Summary of research report, College of Agriculture, University of Illinois, Urbana. 1959. 24 pages.
Pages 61-62 in Extension Circular 534, Review of Extension Research, January through December 1960, U.S. Department of Agriculture, Washington, D.C. Summary of ER&T-38 (3-60), Federal Extension Service, U.S. Department of Agriculture, Washington,D.C. 1960. 4 pages.
Page 77 in Extension Service Circular 544, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of Federal Extension Service, ER&T-146, U.S.Department of Agriculture, Washington, D.C. 1962. 3 pages.
Page 77 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Summary of research report by the Information Division, Agricultural Research Service, U.S. Department of Agriculture, Washington, D.C. 1959. 46 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.
Page 85 in Extension Circular 532, Review of Extension Research, January through December 1959, U.S. Department of Agriculture, Washington, D.C. Brief description of an update of a document of the same title, Journal Series 2047, Missouri Agricultural Experiment Station, University of Missouri, Columbia. 1959. 20 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.
