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
- 2065 more...
- ItemJMF00-01302.0 - Northern Pacific steam locomotive 2237 at Brainerd, Minnesota, in 1950.
- ItemJMF00-01303.0 - Northern Pacific steam locomotive 2238 at Glendive, Montana, in 1953.
- ItemJMF00-01303.1 - Northern Pacific steam locomotive 2238 at Yakima, Washington, in 1937.
- ItemJMF00-01304.0 - Northern Pacific steam locomotive 2238 at Tacoma, Washington, in 1937.
- ItemJMF00-01305.0 - Northern Pacific steam locomotive 2238 at Paradise, Montana, circa 1954.
- ItemJMF00-01306.0 - Northern Pacific steam locomotive 2238 at Paradise, Montana, circa 1954.
- ItemJMF00-01307.0 - Northern Pacific steam locomotive 2239 at Missoula, Montana, in 1943.
- ItemJMF00-01308.0 - Northern Pacific steam locomotive 2239 at Livingston, Montana, in 1949.
- ItemJMF00-01309.0 - Northern Pacific steam locomotive 2240 at Glendive, Montana, in 1953.
- 571 more...