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
- 309 more...
- ItemWWAGD-52-354 - Great Northern Diesel Locomotive 510, 1970
- ItemWWAGD-52-355 - Great Northern Diesel Locomotive 510, undated
- ItemWWAGD-52-357 - Great Northern Diesel Locomotive 512 at Duluth, Minnesota, 1967
- ItemWWAGD-52-358 - Great Northern Diesel Locomotive 554 at Saint Paul, Minnesota, 1967
- ItemWWAGD-52-359 - Great Northern Diesel Locomotive 554, undated
- ItemWWAGD-52-362 - Great Northern Diesel Locomotive 560 at Superior, Wisconsin, 1969
- ItemWWAGD-52-363 - Great Northern Diesel Locomotive 569 at Superior, Wisconsin, 1969
- ItemWWAGD-52-364 - Great Northern Diesel Locomotive 569 at Superior, Wisconsin, 1969
- ItemWWAGD-52-365 - Great Northern Diesel Locomotive 589 at Hillyard, Washington, 1970
- 99 more...