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)
- 231 more...
- ItemCNBk3img393 - Great Northern Railway Outfit Car O3111 at Whitefish, Montana in 1972.
- ItemCNBk3img394 - Great Northern Railway Outfit Car O3119 at Wenatchee, Washington in 1971.
- ItemCNBk3img395 - Great Northern Railway Outfit Car O3148 at Cashmere, Washington in 1970.
- ItemCNBk3img396 - Great Northern Railway Outfit Car O3149 at Whitefish, Montana in 1977.
- ItemCNBk3img397 - Great Northern Railway Outfit Car O3156 at Superior, Wisconsin in 1969.
- 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.
- 36 more...