Page 65 in Review of Extension Research, January through December 1957. Summary of a survey for Agricultural Extension, Texas Agricultural College, College Station. 1957. 14 pages.
Page 64-65 in Review of Extension Research, January through December 1957. Survey for Agricultural Extension, University of California, Berkeley. 1957. 8 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.