Railroad Archives Online
- CollectionD0288 - Terence Wahl Collection
- Series002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3004 - Railroad Passenger Cars
- ItemTRWahl0018 - Milwaukee Road Passenger Car, Washington, January 1951
- ItemTRWahl0019 - Milwaukee Road Baggage Car 1039, Bellingham, Washington, July 31, 1949
- ItemTRWahl0020 - Milwaukee Road Passenger Car, Bellingham, Washington, July 31, 1949