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
- 726 en plus...
- PièceCNBk3img051 - Great Northern Railway 509 at St. Paul, Minnesota in 1969.
- PièceCNBk3img052 - Great Northern Railway 510 at St. Paul, Minnesota in 1969.
- PièceCNBk3img053 - Great Northern Railway 510 at St. Paul, Minnesota in 1969.
- PièceCNBk3img054 - Great Northern Railway 511 at St. Paul, Minnesota in 1969.
- PièceCNBk3img055 - Great Northern Railway 512
- PièceCNBk3img056 - Great Northern Railway 512 at St. Paul, Minnesota in 1969.
- PièceCNBk3img057 - Great Northern Railway 412C at La Grange, Illinois in 1965.
- PièceCNBk3img058 - Great Northern Railway 424D at Berwin, Illinois in 1962.
- PièceCNBk3img059 - Great Northern Railway 403A in 1959.
- 77 en plus...