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-77, U.S.Department of Agriculture, Washington, D.C. 1962. 3 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.