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
- 12 more...
- ItemTRWahl1037 - Milwaukee Road Gondola 93079, Bellingham, Washington, undated
- ItemTRWahl1038 - Milwaukee Road Gondola 93086, Bellingham, Washington, undated
- ItemTRWahl1039 - Milwaukee Road Gondola 93021, Bellingham, Washington, undated
- ItemTRWahl1050 - Milwaukee Road Boxcar 718891, Bellingham, Washington, undated
- ItemTRWahl1065 - Milwaukee Road Boxcar 714424, Bellingham, Washington, undated
- ItemTRWahl1066 - Milwaukee Road Boxcar 701381, Bellingham, Washington, undated
- ItemTRWahl1070 - Milwaukee Road Boxcar 713852, Bellingham, Washington, undated