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
- 320 more...
- ItemWWAGD-52-368 - Great Northern Diesel Locomotive 574 at Superior, Wisconsin, 1969
- ItemWWAGD-52-369 - Great Northern Diesel Locomotive 576 at Superior, Wisconsin, 1970
- ItemWWAGD-52-370 - Great Northern Diesel Locomotive 556 at Superior, Wisconsin, 1969
- ItemWWAGD-52-371 - Great Northern Diesel Locomotive 569 at Superior, Wisconsin, 1969
- ItemWWAGD-52-372 - Great Northern Diesel Locomotive 578 at Hillyard, Washington, 1968
- ItemWWAGD-52-373 - Great Northern Diesel Locomotive 578 at Spokane, Washington, undated
- ItemWWAGD-52-374 - Great Northern Diesel Locomotive 578 at Hillyard, Washington, 1967
- ItemWWAGD-52-376 - Great Northern Diesel Locomotive 585, undated
- ItemWWAGD-52-377 - Great Northern Diesel Locomotive 586 at Superior, Wisconsin, 1969
- 88 more...