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)
- 182 more...
- ItemCNBk3img427 - Great Northern Railway Outfit Car O3520.
- ItemCNBk3img428 - Great Northern Railway Outfit Car O3521 at Malaga, Washington in 1972.
- ItemCNBk3img429 - Great Northern Railway Outfit Car O3524.
- ItemCNBk3img430 - Great Northern Railway Outfit Car O3528 at Cashmere, Washington in 1970.
- ItemCNBk3img431 - Great Northern Railway Outfit Car O3536 at Wenatchee, Washington in 1972.
- ItemCNBk3img432 - Great Northern Railway Outfit Car O3540.
- ItemCNBk3img433 - Great Northern Railway Outfit Car O6005.
- ItemCNBk3img434 - Great Northern Railway Outfit Car O6007 at Wenatchee, Washington in 1972.
- ItemCNBk3img435 - Great Northern Railway Outfit Car O6009 at Wenatchee, Washington in 1972.
- 85 more...