C&TS (Cumbres & Toltec Scenic) cars - CyZ (Coahuila y Zacatecas); C&NW (Chicago & Northwestern) stations Aberdeen, SD. - Nowlin, SD, Box: 7, Box: 27. Howard Killam Collection, RH MS 1381. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/226763 Accessed May 19, 2024.