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
- 225 more...
- ItemWWAGD-52-251 - Great Northern Diesel Locomotive 366B at La Grange, Illinois, 1968
- ItemWWAGD-52-252 - Great Northern Diesel Locomotive 366C at Saint Paul, Minnesota, 1967
- ItemWWAGD-52-253 - Great Northern Diesel Locomotive 367C at Leavenworth, Washington, 1968
- ItemWWAGD-52-254 - Great Northern Diesel Locomotive 367C, undated
- ItemWWAGD-52-255 - Great Northern Diesel Locomotive 369C at Saint Paul, Minnesota, 1967
- ItemWWAGD-52-256 - Great Northern Diesel Locomotive 369C, undated
- ItemWWAGD-52-257 - Great Northern Diesel Locomotive 370C, 1967
- ItemWWAGD-52-258 - Great Northern Diesel Locomotive 371B at Saint Paul, Minnesota, 1967
- ItemWWAGD-52-259 - Great Northern Diesel Locomotive 371B, undated
- 175 more...