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
- 1814 more...
- ItemJMF00-01086.0 - Northern Pacific steam locomotive 1844 at Brainerd, Minnesota, circa 1952.
- ItemJMF00-01087.0 - Northern Pacific steam locomotive 1844 at Tacoma, Washington, in 1935.
- ItemJMF00-01088.0 - Northern Pacific steam locomotive 1845 at Tacoma, Washington, in 1935.
- ItemJMF00-01089.0 - Northern Pacific steam locomotive 1845 at Tacoma, Washington, in 1935.
- ItemJMF00-01090.0 - Northern Pacific steam locomotive 1846 at Duluth, Minnesota, in 1950.
- ItemJMF00-01091.0 - Northern Pacific steam locomotive 1846 at Brainerd, Minnesota, in 1952.
- ItemJMF00-01092.0 - Northern Pacific steam locomotive 1846 at Brainerd, Minnesota, in 1952.
- ItemJMF00-01093.0 - Northern Pacific steam locomotive 1848 at Brainerd, Minnesota, in 1952.
- ItemJMF00-01094.0 - Northern Pacific steam locomotive 1848 at Tacoma, Washington, in 1936.
- 822 more...