Maddy, Jackson, Henderson, and Guier with Henderson's horses in front of undertaking barn, 8th & East 1st, August 12, 1915, Box: 5, Folder: D:726. Bourquin family collection, RH MS G61. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/473297 Accessed June 26, 2024.