Emporia, El Dorado, Denton, Coffeyville, Chetopa, Chanute, Baldwin, and Atchison businesses, Volume: 1, Page: 23. Richard Olmstead matchbook collection, RH MS D301. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/456561 Accessed June 26, 2024.