MOP-RI Steam, Electric, RI Diesels: Misc RI; Electric Austrian Fedaral Rys - Woodstock, Thames Valley & Ingersall; mine engines, Box: 18, Box: 47. Howard Killam Collection, RH MS 1381. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/226909 Accessed May 18, 2024.