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
- 1633 more...
- ItemJMF00-00923.1 - Northern Pacific steam locomotive 1766 in Washington, circa 1950.
- ItemJMF00-00923.2 - Northern Pacific steam locomotive 1766 in Washington, circa 1950.
- ItemJMF00-00924.0 - Northern Pacific steam locomotive 1767 at Missoula, Montana, in 1943.
- ItemJMF00-00925.0 - Northern Pacific steam locomotive 1767, circa 1950.
- ItemJMF00-00926.0 - Northern Pacific steam locomotive 1768 at Brainerd, Minnesota, in 1954.
- ItemJMF00-00927.0 - Northern Pacific steam locomotive 1769 at Glendive, Montana, in 1953.
- ItemJMF00-00928.0 - Northern Pacific steam locomotive 1769 at Glendive, Montana, in 1953.
- ItemJMF00-00929.0 - Northern Pacific steam locomotive 1770 at Livingston, Montana, in 1954.
- ItemJMF00-00930.0 - Northern Pacific steam locomotive 1770 at Livingston, Montana, in 1955.
- 1003 more...