Frisco Diesels, M-K-T – KCS Steam, Frisco Cars – Cabooses: KCS steam 1005 – M-K-T steam 920; Frisco cars BC-209 – 22050, Box: 24, Box: 81. Howard Killam Collection, RH MS 1381. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/226949 Accessed May 19, 2024.