SP (Southern Pacific) steams, cars, cabooses; SSW (St Louis Southwestern) stations East Prairie, Mo. - Wyatt, Mo, diesels 350 - 7963, Box: 10, Box: 81. Howard Killam Collection, RH MS 1381. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/226825 Accessed May 19, 2024.