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
- 23 more...
- ItemTRWahl0735 - Great Northern Crane X1841, Bellingham, Washington, undated
- ItemTRWahl0736 - Great Northern Crane X1841, Bellingham, Washington, undated
- ItemTRWahl0737 - Great Northern Crane X1841, Bellingham, Washington, undated
- ItemTRWahl0738 - Great Northern Crane X1841, Bellingham, Washington, undated
- ItemTRWahl0739 - Great Northern Crane X1841, Bellingham, Washington, undated
- ItemTRWahl0740 - Great Northern Tool Car 02761, Bellingham, Washington, undated
- ItemTRWahl0741 - Great Northern Tool Car 02761, Bellingham, Washington, undated
- ItemTRWahl0742 - Great Northern Tool Car 06021, Bellingham, Washington, undated
- ItemTRWahl0749 - Great Northern Tool Car 03317, Bellingham, Washington, undated
- 35 more...