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
- 32 more...
- 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
- ItemTRWahl0351 - Great Northern Gondola 72382, Bellingham, Washington, undated
- ItemTRWahl0352 - Great Northern Gondola 72382, Bellingham, Washington, undated
- ItemTRWahl0353 - Great Northern Gondola 72382, Bellingham, Washington, undated
- ItemTRWahl0367 - Great Northern Gondola 75981, Bellingham, Washington, undated
- ItemTRWahl0452 - Great Northern Boxcar 38701, Bellingham, Washington, undated
- 67 more...