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
- 2252 more...
- ItemJMF00-01465.0 - Northern Pacific steam locomotive 2611 at Missoula, Montana, in 1934.
- ItemJMF00-01466.0 - Northern Pacific steam locomotive 2611 at Pasco, Washington, in 1946.
- ItemJMF00-01467.0 - Northern Pacific steam locomotive 2611 at South Tacoma, Washington, in 1952.
- ItemJMF00-01468.0 - Northern Pacific steam locomotive 2611 at South Tacoma, Washington, in 1952.
- ItemJMF00-01469.0 - Northern Pacific steam locomotive 2626 at South Tacoma, Washington, in 1938.
- ItemJMF00-01469.2 - Northern Pacific steam locomotive 2626, circa 1946.
- ItemJMF00-01470.0 - Northern Pacific steam locomotive 2626 at Easton, Washington, in 1943.
- ItemJMF00-01471.0 - Northern Pacific steam locomotive 2626 at Easton, Washington, in 1943.
- ItemJMF00-01472.0 - Northern Pacific steam locomotive 2626 at Easton, Washington, in 1943.
- 384 more...