Railroad Archives Online
- FondsE0298 - Cordell Newby Photograph Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 002 - Diesel Locomotives
- 414 en plus...
- PièceCNBk1img466 - Great Northern Railway 681 at Great Falls, Montana in 1969.
- PièceCNBk1img467 - Great Northern Railway 682 at Havre, Montana in 1969.
- PièceCNBk1img468 - Great Northern Railway 682 at Havre, Montana in 1969.
- PièceCNBk1img469 - Great Northern Railway 683 at Butte, Montana in 1966.
- PièceCNBk1img470 - Great Northern Railway 684
- PièceCNBk1img471 - Great Northern Railway 685 at Wenatchee, Washington in 1970.
- PièceCNBk1img472 - Great Northern Railway 685 at Spokane, Washington in 1970.
- PièceCNBk1img473 - Great Northern Railway 686
- PièceCNBk1img474 - Great Northern Railway 688 at Vancouver, Washington in 1961.
- 389 en plus...