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
- 399 more...
- 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
- ItemWWAGD-52-471 - Great Northern Diesel Locomotive 3024, undated
- ItemWWAGD-52-472 - Great Northern Diesel Locomotive 3028 at Cashmere, Washington, undated
- ItemWWAGD-52-473 - Great Northern Diesel Locomotive 3032, undated
- ItemWWAGD-52-474 - Great Northern Diesel Locomotive 3033, undated
- ItemWWAGD-52-475 - Great Northern Diesel Locomotive 3037, undated
- ItemWWAGD-52-240 - Great Northern Diesel Locomotive 361C, undated
- 9 more...