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
- 22 more...
- ItemTRWahl0197 - Great Northern Boxcar 11527, Bellingham, Washington, undated
- ItemTRWahl0202 - Great Northern Covered Hopper Car 73879, Bellingham, Washington, undated
- ItemTRWahl0203 - Great Northern Covered Hopper Car 73879, Bellingham, Washington, undated
- ItemTRWahl0212 - Great Northern Gondola 75020, Bellingham, Washington, undated
- ItemTRWahl0234 - Great Northern Stock Car 58655, Bellingham, Washington, undated
- 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
- 77 more...