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
- 259 more...
- ItemWWAGD-52-289 - Great Northern Diesel Locomotive 413, undated
- ItemWWAGD-52-290 - Great Northern Diesel Locomotive 414, undated
- ItemWWAGD-52-291 - Great Northern Diesel Locomotive 418D, undated
- ItemWWAGD-52-292 - Great Northern Diesel Locomotive 422 at La Grange, Illinois, 1968
- ItemWWAGD-52-293 - Great Northern Diesel Locomotive 418D at La Grange, Illinois, 1965
- ItemWWAGD-52-294 - Great Northern Diesel Locomotive 429 at Spokane, Washington, 1969
- ItemWWAGD-52-295 - Great Northern Diesel Locomotive 425 at Wenatchee, Washington, 1969
- ItemWWAGD-52-296 - Great Northern Diesel Locomotive 430 at Minneapolis, Minnesota, 1970
- ItemWWAGD-52-297 - Great Northern Diesel Locomotive 410, undated
- 141 more...