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)
- 115 more...
- ItemCNBk2img381 - Great Northern Railway Outfit car O3392.
- ItemCNBk2img382 - Great Northern Railway Outfit car O3391 at Skykomish, Washington in 1972.
- ItemCNBk2img383 - Great Northern Railway Outfit car O3384 at St. Paul, Minnesota.
- ItemCNBk2img384 - Great Northern Railway Outfit car O3383 at Laurel, Montana in 1973.
- ItemCNBk2img385 - Great Northern Railway Outfit car O3352
- ItemCNBk2img386 - Great Northern Railway Outfit car O3280 at Whitefish, Montana in 1972.
- ItemCNBk2img387 - Great Northern Railway Outfit car O3280 at Whitefish, Montana in 1977.
- ItemCNBk2img388 - Great Northern Railway Outfit car O3279 at Superior, Wisconsin in 1969.
- ItemCNBk2img389 - Great Northern Railway Outfit car O3266 at Wenatchee, Washington in 1970.
- 152 more...