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
- 67 more...
- ItemWWAGD-52-052 - Great Northern Diesel Locomotive 151 at Spokane, Washington, 1968
- ItemWWAGD-52-054 - Great Northern Diesel Locomotive 160, undated
- ItemWWAGD-52-055 - Great Northern Diesel Locomotive 161 at Seattle, Washington, undated
- ItemWWAGD-52-056 - Great Northern Diesel Locomotive 162, undated
- 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
- 333 more...