Page 8 in Extension Circular 534, Review of Extension Research, January through December 1960, U.S. Department of Agriculture, Washington, D.C. Summary of Research Bulletin 850, Ohio Agricultural Experiment Station, Ohio State University,Columbus. 1960. 38 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.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 71 Document Number: D10781
Notes:
Claude W. Gifford Collection. Beyond his materials in the ACDC collection, the Claude W. Gifford Papers, 1919-2004, are deposited in the University of Illinois Archives. Serial Number 8/3/81. Locate finding aid at https://archives.library.illinois.edu/archon/, Pages 3-4 in Research Library Newsletter, Farm Journal, September 15, 1965., Findings from a national research project of the National Farm and Power Equipment Dealers and reported in Farm and Power Equipment magazine. Questions involved where farmers first see and hear such information and what sources they consider most useful.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C37134
Notes:
Pages 74-93 in Duncan McGregor, David Simon and Donald Thompson (eds.), The peri-urban interface: approaches to sustainable natural and human resource use. Earthscan, London, England. 336 pages.
