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
- 2222 more...
- ItemJMF00-01439.1 - Northern Pacific steam locomotive 2602 at Seattle, Washington, circa 1950.
- ItemJMF00-01440.0 - Northern Pacific steam locomotive 2603 at Missoula, Montana, in 1940.
- ItemJMF00-01441.0 - Northern Pacific steam locomotive 2603 at Tacoma, Washington, circa 1943.
- ItemJMF00-01442.0 - Northern Pacific steam locomotive 2603 at Tacoma, Washington, circa 1943.
- ItemJMF00-01443.0 - Northern Pacific steam locomotive 2604 at Tacoma, Washington, in 1943.
- ItemJMF00-01443.1 - Northern Pacific steam locomotive 2604 at Tacoma, Washington, in 1943.
- ItemJMF00-01444.0 - Northern Pacific steam locomotive 2604 at Missoula, Montana, in 1946.
- ItemJMF00-01445.0 - Northern Pacific steam locomotive 2605 at Missoula, Montana, in 1943.
- ItemJMF00-01446.0 - Northern Pacific steam locomotive 2605 at Seattle, Washington, circa 1946.
- 414 more...