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
- 277 more...
- 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
- ItemWWAGD-52-312 - Great Northern Diesel Locomotive 450D, 1968
- ItemWWAGD-52-313 - Great Northern Diesel Locomotive 452A at Spokane, Washington, 1968
- ItemWWAGD-52-314 - Great Northern Diesel Locomotive 452D at Seattle, Washington, undated
- ItemWWAGD-52-315 - Great Northern Diesel Locomotive 454B, 1970
- ItemWWAGD-52-316 - Great Northern Diesel Locomotive 458C, undated
- ItemWWAGD-52-318 - Great Northern Diesel Locomotive 464A at Superior, Wisconsin, 1969
- 131 more...