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
- 1698 more...
- ItemJMF00-00981.0 - Northern Pacific steam locomotive 1792 at South Tacoma, Washington, in 1956.
- ItemJMF00-00982.0 - Northern Pacific steam locomotive 1794 at Spokane, Washington, in 1950.
- ItemJMF00-00983.0 - Northern Pacific steam locomotive 1794 at Livingston, Montana, in 1954.
- ItemJMF00-00984.0 - Northern Pacific steam locomotive 1795 at Pasco, Washington, in 1948.
- ItemJMF00-00985.0 - Northern Pacific steam locomotive 1795 at Livingston, Montana, in 1954.
- ItemJMF00-00986.0 - Northern Pacific steam locomotive 1795 at Livingston, Montana, in 1955.
- ItemJMF00-00987.0 - Northern Pacific steam locomotive 1797 at Tacoma, Washington, in 1953.
- ItemJMF00-00988.0 - Northern Pacific steam locomotive 1797 at Tacoma, Washington, in 1954.
- ItemJMF00-00989.0 - Northern Pacific steam locomotive 1798 at Jamestown, North Dakota, in 1934.
- 938 more...