Frisco Diesels, M-K-T – KCS Steam, Frisco Cars – Cabooses: Frisco car HR-1 and AT&N inspection car; Frisco Diesels 1 – 2008, Box: 24, Box: 79. Howard Killam Collection, RH MS 1381. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/226947 Accessed May 19, 2024.