Page 72 in Review of Extension Research, January through December 1957. Brief description of Extension Circular 514, U.S. Federal Extension Service, U.S. Department of Agriculture, Washington, D.C. 1957. 83 pages.
Pages 82-83 in Review of Extension Research, January through December 1957. Brief description of a study to be conducted by the Publications Needs Study Committee, U.S. Department of Agriculture, Washington, D.C.
