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
- 1008 more...
- ItemJMF00-00461.0 - Northern Pacific steam locomotive 1250 at Pasco, Washington, in 1950.
- ItemJMF00-00462.0 - Northern Pacific steam locomotive 1250 at Pasco, Washington, in 1953.
- ItemJMF00-00462.1 - Northern Pacific steam locomotive 1250, circa 1910.
- ItemJMF00-00463.0 - Northern Pacific steam locomotive 1252 at Spokane, Washington, in 1941.
- ItemJMF00-00464.0 - Northern Pacific steam locomotive 1252 at Spokane, Washington, in 1948.
- ItemJMF00-00465.0 - Northern Pacific steam locomotive 1252 at Pasco, Washington, in 1953.
- ItemJMF00-00466.0 - Northern Pacific steam locomotive 1253 at Auburn, Washington, circa 1946.
- ItemJMF00-00467.0 - Northern Pacific steam locomotive 1253 at Auburn, Washington, circa 1946.
- ItemJMF00-00468.0 - Northern Pacific steam locomotive 1253 at Livingston, Montana, circa 1945.
- 1628 more...