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
- 2244 more...
- ItemJMF00-01458.0 - Northern Pacific steam locomotive 2609 at Missoula, Montana, in 1943.
- ItemJMF00-01458.1 - Northern Pacific steam locomotive 2609 at Portland, Oregon, in 1947.
- ItemJMF00-01459.0 - Northern Pacific steam locomotive 2609 at South Tacoma, Washington, in 1950.
- ItemJMF00-01460.0 - Northern Pacific steam locomotive 2610 at Tacoma, Washington, in 1943.
- ItemJMF00-01461.0 - Northern Pacific steam locomotive 2610 at Seattle, Washington, in 1936.
- ItemJMF00-01463.0 - Northern Pacific steam locomotive 2610 at South Tacoma, Washington, circa 1953.
- ItemJMF00-01463.1 - Northern Pacific steam locomotive 2610 at Pasco, Washington, circa 1946.
- ItemJMF00-01464.0 - Northern Pacific steam locomotive 2611 at Spokane, Washington, in 1940.
- ItemJMF00-01465.0 - Northern Pacific steam locomotive 2611 at Missoula, Montana, in 1934.
- 392 more...