Kagy; Eunice to John Mayhew; correspondence related to Ed. Co. book; Thurman to Mrs. Thurman Mayhew, 1977; 1973; 1943, Box: 56, Folder: 10. Mayhew family papers, RH MS 634. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/82541 Accessed July 15, 2025.