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
- 61 more...
- ItemWWAGD-52-046 - Great Northern Diesel Locomotive 134, undated
- ItemWWAGD-52-047 - Great Northern Diesel Locomotive 140 at Minneapolis, Minnesota, undated
- ItemWWAGD-52-048 - Great Northern Diesel Locomotive 140 at Minneapolis, Minnesota, undated
- ItemWWAGD-52-049 - Great Northern Diesel Locomotive 143 at Minneapolis, Minnesota, 1961
- ItemWWAGD-52-050 - Great Northern Diesel Locomotive 151 at Spokane, Washington, 1968
- ItemWWAGD-52-051 - Great Northern Diesel Locomotive 155 at Spokane, Washington, 1968
- 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
- 339 more...