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
- 235 more...
- ItemWWAGD-52-261 - Great Northern Diesel Locomotive 400 at Wenatchee, Washington, 1969
- ItemWWAGD-52-262 - Great Northern Diesel Locomotive 400 at Mc Cook, Illinois, undated
- ItemWWAGD-52-263 - Great Northern Diesel Locomotive 400 at Mc Cook, Illinois, undated
- ItemWWAGD-52-264 - Great Northern Diesel Locomotive 400 at Duluth, Minnesota, undated
- ItemWWAGD-52-265 - Great Northern Diesel Locomotive 400 at Mc Cook, Illinois, 1989
- ItemWWAGD-52-266 - Great Northern Diesel Locomotive 400 at Mc Cook, Illinois, undated
- ItemWWAGD-52-268 - Great Northern Diesel Locomotive 400 at Mc Cook, Illinois, undated
- ItemWWAGD-52-269 - Great Northern Diesel Locomotive 400 at Mc Cook, Illinois, undated
- ItemWWAGD-52-270 - Great Northern Diesel Locomotive 400 at Mc Cook, Illinois, undated
- 165 more...