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)
- 236 more...
- ItemCNBk3img398 - Great Northern Railway Outfit Car O3167.
- ItemCNBk3img399 - Great Northern Railway Outfit Car O3182 at Shelby, Montana in 1974.
- ItemCNBk3img400 - Great Northern Railway Outfit Car O3187 at Malaga, Washington in 1972.
- ItemCNBk3img401 - Great Northern Railway Outfit Car O3187 at Seattle, Washington in 1973.
- ItemCNBk3img402 - Great Northern Railway Outfit Car O3190.
- ItemCNBk3img403 - Great Northern Railway Outfit Car O3192 at Wenatchee, Washington in 1971.
- ItemCNBk3img404 - Great Northern Railway Outfit Car O3195 at Seattle, Washington in 1974.
- ItemCNBk3img405 - Great Northern Railway Outfit Car O3201 at Everett, Washington in 1972.
- ItemCNBk3img406 - Great Northern Railway Outfit Car O3206 at Spokane, Washington in 1972.
- 31 more...