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
- 71 more...
- ItemWWAGD-52-057 - Great Northern Diesel Locomotive 175, undated
- ItemWWAGD-52-058 - Great Northern Diesel Locomotive 177, undated
- ItemWWAGD-52-060 - Great Northern Diesel Locomotive 179 at Tacoma, Washington, undated
- ItemWWAGD-52-061 - Great Northern Diesel Locomotive 179, undated
- ItemWWAGD-52-063 - Great Northern Diesel Locomotive 180, undated
- ItemWWAGD-52-064 - Great Northern Diesel Locomotive 180 at Superior, Wisconsin, 1958
- ItemWWAGD-52-065 - Great Northern Diesel Locomotive 180 at Brooklyn, Illinois, 1969
- ItemWWAGD-52-066 - Great Northern Diesel Locomotive 180 at Worthington, Ohio, undated
- ItemWWAGD-52-067 - Great Northern Diesel Locomotive 180 at Spokane, Washington, 1967
- 337 more...