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)
- 96 more...
- 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
- ItemCNBk2img365 - Great Northern Railway Outfit car X7827 at Superior, Wisconsin in 1969.
- ItemCNBk2img366 - Great Northern Railway Outfit car X7826 at Whitefish, Montana in 1977.
- ItemCNBk2img367 - Great Northern Railway Outfit car X7818 at Edmonds, Washington in 1973.
- ItemCNBk2img368 - Great Northern Railway Outfit car X7814
- ItemCNBk2img369 - Great Northern Railway Outfit car X7811 at Malaga, Washington in 1979.
- ItemCNBk2img370 - Great Northern Railway Outfit car X7811 at Helena, Montana in 1972.
- 171 more...