Historic photos of father [letters and Santa Fe Railroad certificate of honor], 1910, 1917, 1971, 1984-1990, Box: 9, Folder: 19. Barbara Burghart-Perreault collection, RH MS 1604. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/565483 Accessed June 15, 2025.