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
- 431 more...
- ItemJMF00-00044.0 - Northern Pacific steam locomotive 4 at Erie, Pennsylvania, in 1907.
- ItemJMF00-00044.1 - Northern Pacific steam locomotive 4 at Yacolt, Washington, circa 1910.
- ItemJMF00-00044.2 - Northern Pacific steam locomotive 7 at Yacolt, Washington, circa 1910.
- ItemJMF00-00044.3 - Northern Pacific steam locomotive 7 at Yacolt, Washington, circa 1910.
- ItemJMF00-00045.0 - Northern Pacific steam locomotive 9 at South Tacoma, Washington, circa 1936.
- ItemJMF00-00046.0 - Northern Pacific steam locomotive 9 at South Tacoma, Washington, in 1946.
- ItemJMF00-00047.0 - Northern Pacific steam locomotive 9 at South Tacoma, Washington, in 1946.
- ItemJMF00-00048.0 - Northern Pacific steam locomotive 9 at South Tacoma, Washington, in 1955.
- ItemJMF00-00048.1 - Northern Pacific steam locomotive 9 at South Tacoma, Washington, in 1934.
- 2205 more...