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
- 605 more...
- ItemJMF00-00149.4 - Northern Pacific steam locomotive 248 at Dilworth, Minnesota, in 1934.
- ItemJMF00-00150.0 - Northern Pacific steam locomotive 249 at Gate, Washington, circa 1920.
- ItemJMF00-00151.0 - Northern Pacific steam locomotive 249 at Tacoma, Washington, in 1937.
- ItemJMF00-00151.1 - Northern Pacific steam locomotive 249 at Tacoma, Washington, in 1936.
- ItemJMF00-00151.2 - Northern Pacific steam locomotive 249 at Tacoma, Washington, in 1935.
- ItemJMF00-00151.3 - Northern Pacific steam locomotive 249 at Tacoma, Washington, in 1936.
- ItemJMF00-00151.4 - Northern Pacific steam locomotive 249 at Tacoma, Washington, in 1936.
- ItemJMF00-00151.5 - Northern Pacific steam locomotive 249 at Tacoma, Washington, in 1936.
- ItemJMF00-00152.0 - Northern Pacific steam locomotive 252, circa 1925.
- 2031 more...