Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam locomotives
- 2323 more...
- ItemJMF00-01533.0 - Northern Pacific steam locomotive 2667 at Missoula, Montana, in 1949.
- ItemJMF00-01534.0 - Northern Pacific steam locomotive 2670 at Livingston, Montana, in 1943.
- ItemJMF00-01535.0 - Northern Pacific steam locomotive 2670 at Dilworth, Minnesota, in 1952.
- ItemJMF00-01536.0 - Northern Pacific steam locomotive 2672 at Livingston, Montana, in 1943.
- ItemJMF00-01537.0 - Northern Pacific steam locomotive 2673 at Livingston, Montana, in 1949.
- ItemJMF00-01538.0 - Northern Pacific steam locomotive 2675 at St. Paul, Minnesota, in 1946.
- ItemJMF00-01539.0 - Northern Pacific steam locomotive 2675, circa 1946.
- ItemJMF00-01540.0 - Northern Pacific steam locomotive 2675, circa 1946.
- ItemJMF00-01541.0 - Northern Pacific steam locomotive 2676 at Livingston, Montana, in 1943.
- 313 more...