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)
- 90 more...
- ItemCNBk2img356 - Great Northern Railway Outfit car X7851
- ItemCNBk2img357 - Great Northern Railway Outfit car X7848
- ItemCNBk2img358 - Great Northern Railway Outfit car X7847 at Cashmere, Washington in 1970.
- ItemCNBk2img359 - Great Northern Railway Outfit car X7846 at Wenatchee, Washington in 1971.
- ItemCNBk2img360 - Great Northern Railway Outfit car X7838 at Wenatchee, Washington in 1984.
- ItemCNBk2img361 - Great Northern Railway Outfit car X7838 at Wenatchee, Washington in 1984.
- ItemCNBk2img362 - Great Northern Railway Mail car X7838 at Minneapolis, Minnesota in 1973.
- ItemCNBk2img363 - Great Northern Railway Outfit car X7831 at Skykomish, Washington in 1972.
- ItemCNBk2img364 - Great Northern Railway Outfit car X7829
- 177 more...