Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 137 more...
- Itemimg377 - Great Northern Diesel Locomotive at Marias Pass, Montana, 1956
- Itemimg378 - Great Northern Diesel Locomotive at Summit, Montana, 1956
- Itemimg379 - Great Northern Diesel Locomotive 354C at Spokane, Washington, 1965
- Itemimg38 - Great Northern Diesel Locomotive 358B at Minneapolis, Minnesota, 1969
- Itemimg380 - Great Northern Diesel Locomotive 354C at Spokane, Washington, 1965
- Itemimg381 - Great Northern Diesel Locomotive 6 at Hillyard, Washington, 1965
- Itemimg382 - Great Northern Diesel Locomotive 466B at Hillyard, Washington, 1965
- Itemimg383 - Great Northern Diesel Locomotive 620 at Hillyard, Washington, 1965
- Itemimg384 - Great Northern Diesel Locomotive 458D, 468C at Hillyard, Washington, 1965
- 82 more...