Railroad Archives Online
- CollectionD0288 - Terence Wahl Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3005 - Maintenance of Way cars
- 17 more...
- ItemTRWahl0625 - Great Northern Detector Car R-3, Bellingham, Washington, undated
- ItemTRWahl0630 - Great Northern Maintenance of Way Car 03284, Bellingham, Washington, undated
- ItemTRWahl0631 - Great Northern Maintenance of Way Car 03284, Bellingham, Washington, undated
- ItemTRWahl0632 - Great Northern Maintenance of Way Car 03284, Bellingham, Washington, undated
- ItemTRWahl0733 - Great Northern Tool Car 03317, Bellingham, Washington, undated
- ItemTRWahl0734 - Great Northern Bunk Car 03169, Bellingham, Washington, undated
- ItemTRWahl0735 - Great Northern Crane X1841, Bellingham, Washington, undated
- ItemTRWahl0736 - Great Northern Crane X1841, Bellingham, Washington, undated
- ItemTRWahl0737 - Great Northern Crane X1841, Bellingham, Washington, undated
- 41 more...