FRISCO/St. Louis San Francisco 2nd gen diesels 869 – 957, steams, cars, cabooses 16 – 66, Box: 8, Box: 41. Howard Killam Collection, RH MS 1381. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/226780 Accessed May 19, 2024.