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 3002 - Diesel Locomotives
- 106 more...
- ItemTRWahl0693 - Great Northern Diesel Locomotive 274A, Bellingham, Washington, undated
- ItemTRWahl0695 - Great Northern Diesel Locomotive 458A, Bellingham, Washington, undated
- ItemTRWahl0696 - Great Northern Diesel Locomotive 458A, Bellingham, Washington, undated
- ItemTRWahl0697 - Great Northern Diesel Locomotive 271A, Bellingham, Washington, undated
- ItemTRWahl0711 - Great Northern Diesel Locomotive 271B, Bellingham, Washington, undated
- ItemTRWahl0727 - Great Northern Diesel Locomotive 273A, Bellingham, Washington, undated
- ItemTRWahl0729 - Great Northern Diesel Locomotive 353A, Bellingham, Washington, undated
- ItemTRWahl0732 - Great Northern Diesel Locomotive 354-A, Bellingham, Washington, undated
- ItemTRWahl0748 - Great Northern Diesel Locomotive 160, Bellingham, Washington, undated
- 99 more...