Correspondence with E.F. Engle, Harold Engle, Ada Epstein, and Arthur E. Erickson, 1935 - 1953, Box: 1, Folder: 54. Personal papers of Ernest Bayles, PP 220. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/175975 Accessed May 24, 2024.