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 1-3 in Research Library Newsletter, Farm Journal, July 21, 1965., Brief summaries of findings in four theses conducted at the University of Illinois, 1958-1962.