Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 393 more...
- ItemWWAGD-52-461 - Great Northern Diesel Locomotive 3000, undated
- ItemWWAGD-52-462 - Great Northern Diesel Locomotive 3001, undated
- ItemWWAGD-52-463 - Great Northern Diesel Locomotive 3006, undated
- ItemWWAGD-52-464 - Great Northern Diesel Locomotive 3008, undated
- ItemWWAGD-52-465 - Great Northern Diesel Locomotive 3010, undated
- ItemWWAGD-52-466 - Great Northern Diesel Locomotive 3014, undated
- ItemWWAGD-52-467 - Great Northern Diesel Locomotive 3015, undated
- ItemWWAGD-52-468 - Great Northern Diesel Locomotive 3018, undated
- ItemWWAGD-52-470 - Great Northern Diesel Locomotive 3021, undated
- 15 more...