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 3005 - Work cars (Railroads)
- 176 more...
- ItemCNBk3img421 - Great Northern Railway Outfit Car O2337.
- ItemCNBk3img422 - Great Northern Railway Outfit Car O2707 at Essex, Montana in 1977.
- ItemCNBk3img423 - Great Northern Railway Outfit Car O2724 at Havre, Montana in 1972.
- ItemCNBk3img424 - Great Northern Railway Outfit Car O2762 at Skykomish, Washington in 1973.
- ItemCNBk3img425 - Great Northern Railway Outfit Car O2796 at Wenatchee, Washington in 1972.
- ItemCNBk3img426 - Great Northern Railway Outfit Car O2797 at Wenatchee, Washington in 1972.
- ItemCNBk3img427 - Great Northern Railway Outfit Car O3520.
- ItemCNBk3img428 - Great Northern Railway Outfit Car O3521 at Malaga, Washington in 1972.
- ItemCNBk3img429 - Great Northern Railway Outfit Car O3524.
- 91 more...