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
- 333 more...
- ItemWWAGD-52-382 - Great Northern Diesel Locomotive 590, undated
- ItemWWAGD-52-383 - Great Northern Diesel Locomotive 598 at Klamath Falls, Oregon, 1964
- ItemWWAGD-52-384 - Great Northern Diesel Locomotive 598, 1967
- ItemWWAGD-52-385 - Great Northern Diesel Locomotive 729, undated
- ItemWWAGD-52-386 - Great Northern Diesel Locomotive 601 at Edmonds, Washington, 1990
- ItemWWAGD-52-387 - Great Northern Diesel Locomotive 605, undated
- ItemWWAGD-52-388 - Great Northern Diesel Locomotive 607, undated
- ItemWWAGD-52-389 - Great Northern Diesel Locomotive 607, undated
- ItemWWAGD-52-390 - Great Northern Diesel Locomotive 608, 1967
- 75 more...