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
- 615 en plus...
- PièceCNBk2img167 - Great Northern Railway 456-D at Seattle, Washington in 1970.
- PièceCNBk2img168 - Great Northern Railway 456-D at Vancouver, British Columbia in 1967.
- PièceCNBk2img169 - Great Northern Railway 456-C at Seattle, Washington in 1967.
- PièceCNBk2img170 - Great Northern Railway 456-D at Cashmere, Washington in 1967.
- PièceCNBk2img171 - Great Northern Railway 456-B
- PièceCNBk2img172 - Great Northern Railway 458-A at Wenatchee, Washington in 1969.
- PièceCNBk2img173 - Great Northern Railway 458-D at Wenatchee, Washington in 1969.
- PièceCNBk2img174 - Great Northern Railway 460-D at Wenatchee, Washington in 1969.
- PièceCNBk2img175 - Great Northern Railway 462-D at Skykomish, Washington in 1969.
- 188 en plus...