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
- 968 more...
- ItemJMF00-00432.0 - Northern Pacific steam locomotive 1192 at Laurel, Montana, in 1949.
- ItemJMF00-00433.0 - Northern Pacific steam locomotive 1192 at Laurel, Montana, in 1953.
- ItemJMF00-00434.0 - Northern Pacific steam locomotive 1193 at Laurel, Montana, in 1953.
- ItemJMF00-00435.0 - Northern Pacific steam locomotive 1200, circa 1925.
- ItemJMF00-00435.1 - Northern Pacific steam locomotive 1200 at Tacoma, Washington, in 1937.
- ItemJMF00-00436.0 - Northern Pacific steam locomotive 1201 at Helena, Montana, in 1952.
- ItemJMF00-00437.0 - Northern Pacific steam locomotive 1201 at Helena, Montana, in 1952.
- ItemJMF00-00437.1 - Northern Pacific steam locomotive 1201 at South Tacoma, Washington, in 1934.
- ItemJMF00-00438.0 - Northern Pacific steam locomotive 1201 at Pasco, Washington, in 1953.
- 1668 more...