See this report in Document C02958. 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 42-43 in Biotechnology: the challenge - proceedings of the USDA Biotechnology Challenge Forum, Washington, D.C., February 5-6, 1987. 56 pages.