Railroad Archives Online
- CollectionE0298 - Cordell Newby Photograph Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 270 more...
- ItemCNBk1img322 - Great Northern Railway 611 at Spokane, Washington
- ItemCNBk1img323 - Great Northern Railway 613 at Minneapolis Junction, Minnesota in 1968.
- ItemCNBk1img324 - Great Northern Railway 614 at Whitefish, Montana in 1969.
- ItemCNBk1img325 - Great Northern Railway 614 at Spokane, Washington in 1970.
- ItemCNBk1img326 - Great Northern Railway 617 at Minneapolis, Minnesota in 1969.
- ItemCNBk1img327 - Great Northern Railway 618
- ItemCNBk1img328 - Great Northern Railway 620
- ItemCNBk1img329 - Great Northern Railway 620 at Spokane, Washington in 1969.
- ItemCNBk1img330 - Great Northern Railway 620
- 533 more...