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
- 1435 more...
- ItemJMF00-00762.0 - Northern Pacific steam locomotive 1625 at Tacoma, Washington, in 1937.
- ItemJMF00-00763.0 - Northern Pacific steam locomotive 1627 at Laurel, Montana, in 1953.
- ItemJMF00-00764.0 - Northern Pacific steam locomotive 1627 at Laurel, Montana, in 1954.
- ItemJMF00-00765.0 - Northern Pacific steam locomotive 1627 at Laurel, Montana, in 1954.
- ItemJMF00-00766.0 - Northern Pacific steam locomotive 1630, circa 1910.
- ItemJMF00-00767.0 - Northern Pacific steam locomotive 1632 at Brainerd, Minnesota, in 1950.
- ItemJMF00-00768.0 - Northern Pacific steam locomotive 1633 at Tacoma, Washington, in 1940.
- ItemJMF00-00769.0 - Northern Pacific steam locomotive 1634 at Livingston, Montana, in 1943.
- ItemJMF00-00770.0 - Northern Pacific steam locomotive 1634 at Livingston, Montana, in 1952.
- 1201 more...