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 3003 - Freight Cars
- ItemTRWahl0023 - Milwaukee Road Stock Car 109767, Bellingham, Washington, July 31, 1949
- ItemTRWahl0053 - Milwaukee Road Boxcar 595109, Bellingham, Washington, undated
- ItemTRWahl0223 - Milwaukee Road Boxcar 162666, Bellingham, Washington, undated
- ItemTRWahl0449 - Milwaukee Road Boxcar, Bellingham, Washington, undated
- ItemTRWahl0450 - Milwaukee Road Boxcar 15567, Bellingham, Washington, undated
- ItemTRWahl0455 - Milwaukee Road Gondola 82044, Bellingham, Washington, undated
- ItemTRWahl0469 - Milwaukee Road Gondola X928516, Bellingham, Washington, undated
- 12 more...