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
- 425 more...
- ItemJMF00-00038.0 - Northern Pacific steam locomotive 1 at Wilkeson, Washington, circa 1918.
- ItemJMF00-00039.0 - Northern Pacific steam locomotive 1 at Centralia, Washington, circa 1922.
- ItemJMF00-00040.0 - Northern Pacific steam locomotive 1 at Wilkeson, Washington, in 1903.
- ItemJMF00-00041.0 - Northern Pacific steam locomotive 2 in 1916.
- ItemJMF00-00042.0 - Northern Pacific steam locomotive 2 at Tacoma, Washington, circa 1922.
- ItemJMF00-00043.0 - Northern Pacific steam locomotive 4 at Erie, Pennsylvania, in 1907.
- 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.
- 2211 more...