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
- 2599 more...
- ItemJMF00-01803.1 - Northern Pacific steam locomotive 5135 at Missoula, Montana, circa 1950.
- ItemJMF00-01804.0 - Northern Pacific steam locomotive 5136 at Missoula, Montana, in 1943.
- ItemJMF00-01805.0 - Northern Pacific steam locomotive 5136 at Missoula, Montana, in 1949.
- ItemJMF00-01806.0 - Northern Pacific steam locomotive 5136 at Missoula, Montana, in 1949.
- ItemJMF00-01807.0 - Northern Pacific steam locomotive 5136 at Livingston, Montana, in 1952.
- ItemJMF00-01808.0 - Northern Pacific steam locomotive 5136 at Laurel, Montana, in 1953.
- ItemJMF00-01809.0 - Northern Pacific steam locomotive 5137 at Missoula, Montana, in 1943.
- ItemJMF00-01810.0 - Northern Pacific steam locomotive 5137 at Easton, Washington, circa 1944.
- ItemJMF00-01811.0 - Northern Pacific steam locomotive 5137 at Parkwater, Washington, in 1953.
- 37 more...