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 3001 - Steam Locomotives
- 31 more...
- ItemCNBk1img261 - Great Northern Railway 2507
- ItemCNBk1img262 - Great Northern Railway 2523 at Willmar, Minnesota in 1969.
- ItemCNBk1img263 - Great Northern Railway 2507
- ItemCNBk1img264 - Great Northern Railway 2507
- ItemCNBk1img265 - Great Northern Railway herald on (side facing goat) onlocomotive tender
- ItemCNBk1img266 - Great Northern Railway 2507
- ItemCNBk1img267 - Great Northern Railway 2507
- ItemCNBk1img268 - Great Northern Railway 2507
- ItemCNBk1img269 - Great Northern Railway 837
- 11 more...