De Golyer, E.L. (1886-1956) Tribute by W.E. Pratt, 1959, and biographical memoir by Roger Denison, Box: 6, Folder: 39. Wallace E. Pratt papers, RH MS 870. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/34151 Accessed February 16, 2025.