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
- 282 more...
- 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
- ItemWWAGD-52-319 - Great Northern Diesel Locomotive 464A at Superior, Wisconsin, 1969
- ItemWWAGD-52-321 - Great Northern Diesel Locomotive 464D, 1968
- ItemWWAGD-52-322 - Great Northern Diesel Locomotive 470D at Wenatchee, Washington, undated
- ItemWWAGD-52-323 - Great Northern Diesel Locomotive 470D, 1970
- ItemWWAGD-52-324 - Great Northern Diesel Locomotive 474A, 1969
- 126 more...