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
- 1737 more...
- ItemJMF00-01017.0 - Northern Pacific steam locomotive 1811 at Missoula, Montana, in 1943.
- ItemJMF00-01018.0 - Northern Pacific steam locomotive 1811 at South Tacoma, Washington, in 1955.
- ItemJMF00-01019.0 - Northern Pacific steam locomotive 1812 at Tacoma, Washington, in 1948.
- ItemJMF00-01020.0 - Northern Pacific steam locomotive 1812 at Tacoma, Washington, in 1955.
- ItemJMF00-01020.1 - Northern Pacific steam locomotive 1812 at Tacoma, Washington, circa 1950.
- ItemJMF00-01020.2 - Northern Pacific steam locomotive 1812 at Tacoma, Washington, circa 1950.
- ItemJMF00-01021.0 - Northern Pacific steam locomotive 1812 at Tacoma, Washington, in 1955.
- ItemJMF00-01021.1 - Northern Pacific steam locomotive 1812 at Tacoma, Washington, in 1935.
- ItemJMF00-01022.0 - Northern Pacific steam locomotive 1814 at Butte, Montana, in 1949.
- 899 more...