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
- 1852 more...
- ItemJMF00-01121.0 - Northern Pacific steam locomotive 1901 at Tacoma, Washington, in 1952.
- ItemJMF00-01122.0 - Northern Pacific steam locomotive 1901 at Forsyth, Montana, in 1935.
- ItemJMF00-01123.0 - Northern Pacific steam locomotive 1903 at Forsyth, Montana, in 1934.
- ItemJMF00-01124.0 - Northern Pacific steam locomotive 1904 at Spokane, Washington, in 1951.
- ItemJMF00-01125.0 - Northern Pacific steam locomotive 1904, at Parkwater, Washington, circa 1953.
- ItemJMF00-01126.0 - Northern Pacific steam locomotive 1905 at Cle Elum, Washington, in 1948.
- ItemJMF00-01127.0 - Northern Pacific steam locomotive 1906 at Tacoma, Washington, in 1950.
- ItemJMF00-01127.1 - Northern Pacific steam locomotive 1906 at Glendive, Montana, in 1932.
- ItemJMF00-01128.0 - Northern Pacific steam locomotive 1908 at Mandan, North Dakota, in 1946.
- 784 more...