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
- 2124 more...
- ItemJMF00-01353.0 - Northern Pacific steam locomotive 2261 at Kent, Washington, in 1950.
- ItemJMF00-01354.0 - Northern Pacific steam locomotive 2261 at Livingston, Montana, in 1952.
- ItemJMF00-01355.0 - Northern Pacific steam locomotive 2261 at Seattle, Washington, in 1958.
- ItemJMF00-01355.1 - Northern Pacific steam locomotive 2261 at Seattle, Washington, in 1957.
- ItemJMF00-01356.0 - Northern Pacific steam locomotive 2261 at South Tacoma, Washington, circa 1936.
- ItemJMF00-01356.1 - Northern Pacific steam locomotive 2261 at South Tacoma, Washington, circa 1936.
- ItemJMF00-01357.0 - Northern Pacific steam locomotive 2261 at Tacoma, Washington, in 1938.
- ItemJMF00-01358.0 - Northern Pacific steam locomotive 2261 at Tacoma, Washington, in 1939.
- ItemJMF00-01359.0 - Northern Pacific steam locomotive 2261 at South Tacoma, Washington, circa 1956.
- 512 more...