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
- 2385 more...
- ItemJMF00-01594.0 - Northern Pacific steam locomotive 4004 at Stampede, Washington, circa 1928.
- ItemJMF00-01596.0 - Northern Pacific steam locomotive 4004 at Easton, Washington, circa 1928.
- ItemJMF00-01597.1 - Northern Pacific steam locomotive 4004 at Helena, Montana, circa 1920.
- ItemJMF00-01598.0 - Northern Pacific steam locomotive 4004 at Helena, Montana, circa 1920.
- ItemJMF00-01599.0 - Northern Pacific steam locomotive 4005 at Auburn, Washington, in 1942.
- ItemJMF00-01600.0 - Northern Pacific steam locomotive 4005 at Easton, Washington, in 1943.
- ItemJMF00-01601.0 - Northern Pacific steam locomotive 4005 at Easton, Washington, in 1943.
- ItemJMF00-01602.0 - Northern Pacific steam locomotive 4005 at Tacoma, Washington, in 1934.
- ItemJMF00-01603.0 - Northern Pacific steam locomotive 4005 at Tacoma, Washington, in 1934.
- 251 more...