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 3003 - Freight Cars
- 27 more...
- ItemTRWahl0240 - Great Northern Gondola 79012, Bellingham, Washington, undated
- ItemTRWahl0241 - Great Northern Gondola 79012, Bellingham, Washington, undated
- ItemTRWahl0244 - Great Northern Boxcar 3602, Bellingham, Washington, undated
- ItemTRWahl0287 - Great Northern Express Boxcar, Bellingham, Washington, undated
- ItemTRWahl0289 - Great Northern Flat Car 60109, Bellingham, Washington, undated
- ItemTRWahl0291 - Great Northern Flat Car 60109, Bellingham, Washington, undated
- ItemTRWahl0344 - Great Northern Gondola 72042, Bellingham, Washington, undated
- ItemTRWahl0345 - Great Northern Gondola 72130, Bellingham, Washington, undated
- ItemTRWahl0347 - Great Northern Gondola 79011, Bellingham, Washington, undated
- 72 more...