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
- 271 more...
- ItemWWAGD-52-303 - Great Northern Diesel Locomotive 434D, undated
- ItemWWAGD-52-304 - Great Northern Diesel Locomotive 434D, undated
- ItemWWAGD-52-305 - Great Northern Diesel Locomotive 435 at Western Springs , Illinois, 1970
- ItemWWAGD-52-306 - Great Northern Diesel Locomotive 429 at Clyde, Illinois, 1970
- ItemWWAGD-52-307 - Great Northern Diesel Locomotive 436D at Clyde, Illinois, 1958
- ItemWWAGD-52-308 - Great Northern Diesel Locomotive 438A at La Grange, Illinois, 1968
- ItemWWAGD-52-309 - Great Northern Diesel Locomotive 446A, undated
- ItemWWAGD-52-310 - Great Northern Diesel Locomotive 446D at La Grange, Illinois, 1968
- ItemWWAGD-52-311 - Great Northern Diesel Locomotive 448A at Seattle, Washington, 1968
- 137 more...