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
- 59 more...
- ItemTRWahl0283 - Great Northern Diesel Locomotive 281A, Bellingham, Washington, undated
- ItemTRWahl0286 - Great Northern Diesel Locomotive 510, Bellingham, Washington, undated
- ItemTRWahl0303 - Great Northern Diesel Locomotive 511, Bellingham, Washington, undated
- ItemTRWahl0307 - Great Northern Diesel Locomotive 500, Bellingham, Washington, undated
- ItemTRWahl0309 - Great Northern Diesel Locomotive 281A, South Bellingham, Washington, undated
- ItemTRWahl0312 - Great Northern Diesel Locomotive 126, Bellingham, Washington, undated
- ItemTRWahl0313 - Great Northern Diesel Locomotive 126, Bellingham, Washington, undated
- ItemTRWahl0317 - Great Northern Diesel Locomotive 136, Bellingham, Washington, undated
- ItemTRWahl0318 - Great Northern Diesel Locomotive 160, Bellingham, Washington, undated
- 146 more...