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
- 1827 more...
- ItemJMF00-01099.0 - Northern Pacific steam locomotive 1851 at Brainerd, Minnesota, in 1950.
- ItemJMF00-01100.0 - Northern Pacific steam locomotive 1852 at Duluth, Minnesota, in 1950.
- ItemJMF00-01101.0 - Northern Pacific steam locomotive 1852 at South Tacoma, Washington, in 1935.
- ItemJMF00-01102.0 - Northern Pacific steam locomotive 1853 at South Tacoma, Washington, in 1938.
- ItemJMF00-01102.1 - Northern Pacific steam locomotive 1853, circa 1935.
- ItemJMF00-01102.2 - Northern Pacific steam locomotive 1853 at Arlington, Washington, circa 1938.
- ItemJMF00-01103.0 - Northern Pacific steam locomotive 1854 at Brainerd, Minnesota, in 1954.
- ItemJMF00-01104.0 - Northern Pacific steam locomotive 1854 at Tacoma, Washington, in 1934.
- ItemJMF00-01105.0 - Northern Pacific steam locomotive 1855 at Livingston, Montana, in 1953.
- 809 more...