MILW (Milwaukee Ry) diesels 556 - 5060, steam, electrics, cars, cabooses, miscellaneous; M-K-T (Missouri-Kansas-Texas) stations Adair Okla. - Hertha, Kan, Box: 8, Box: 51. Howard Killam Collection, RH MS 1381. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/226790 Accessed May 18, 2024.