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)
- 227 more...
- ItemCNBk3img389 - Great Northern Railway Outfit Car O3058.
- ItemCNBk3img390 - Great Northern Railway Outfit Car O3060.
- ItemCNBk3img391 - Great Northern Railway Outfit Car O3101 at Seattle, Washington in 1971.
- ItemCNBk3img392 - Great Northern Railway Outfit Car O3103 at Superior, Wisconsin in 1969.
- 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.
- 40 more...