'The Education Digest' - vol. 5, no. 3, 1931; vol. 23, no. 2, 1957, Box: 6, Folder: 4. Personal papers of Ernest Bayles, PP 220. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/273925 Accessed April 29, 2024.