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
- 1662 more...
- ItemJMF00-00948.0 - Northern Pacific steam locomotive 1777 at South Tacoma, Washington, in 1934.
- ItemJMF00-00949.0 - Northern Pacific steam locomotive 1778 at Mandan, North Dakota, in 1946.
- ItemJMF00-00950.0 - Northern Pacific steam locomotive 1779, circa 1946.
- ItemJMF00-00951.0 - Northern Pacific steam locomotive 1780 at Auburn, Washington, in 1948.
- ItemJMF00-00953.0 - Northern Pacific steam locomotive 1780 at Tacoma, Washington, in 1953.
- ItemJMF00-00954.0 - Northern Pacific steam locomotive 1780 at Livingston, Montana, in 1953.
- ItemJMF00-00955.0 - Northern Pacific steam locomotive 1780 at Easton, Washington, in 1938.
- ItemJMF00-00955.1 - Northern Pacific steam locomotive 1780 at Auburn, Washington, in 1935.
- ItemJMF00-00955.2 - Northern Pacific steam locomotive 1780 in Washington, circa 1947.
- 974 more...