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
- 42 more...
- ItemWWAGD-52-025 - Great Northern Diesel Locomotive 98 at Seattle, Washington, undated
- ItemWWAGD-52-026 - Great Northern Diesel Locomotive 98 at Missoula, Montana, 1976
- ItemWWAGD-52-028 - Great Northern Diesel Locomotive 99 at Seattle, Washington, undated
- ItemWWAGD-52-029 - Great Northern Diesel Locomotive 107, undated
- ItemWWAGD-52-030 - Great Northern Diesel Locomotive 108, undated
- ItemWWAGD-52-031 - Great Northern Diesel Locomotive 109 at Tacoma, Washington, 1966
- ItemWWAGD-52-032 - Great Northern Diesel Locomotive 109 at Tacoma, Washington, 1966
- ItemWWAGD-52-033 - Great Northern Diesel Locomotive 109 at Tacoma, Washington, 1966
- ItemWWAGD-52-034 - Great Northern Diesel Locomotive 113 at Tacoma, Washington, undated
- 366 more...