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
- 2531 more...
- ItemJMF00-01740.0 - Northern Pacific steam locomotive 5109 at Laurel, Montana, in 1954.
- ItemJMF00-01741.0 - Northern Pacific steam locomotive 5109, circa 1952.
- ItemJMF00-01742.0 - Northern Pacific steam locomotive 5110 at Livingston, Montana, in 1952.
- ItemJMF00-01742.1 - Northern Pacific steam locomotive 5110 at Missoula, Montana, in 1943.
- ItemJMF00-01743.0 - Northern Pacific steam locomotive 5111 at Easton, Washington, in 1944.
- ItemJMF00-01744.0 - Northern Pacific steam locomotive 5111 at Easton, Washington, in 1944.
- ItemJMF00-01745.0 - Northern Pacific steam locomotive 5112 at Pasco, Washington, in 1948.
- ItemJMF00-01746.0 - Northern Pacific steam locomotive 5112 at Missoula, Montana, in 1949.
- ItemJMF00-01746.1 - Northern Pacific steam locomotive 5112 at Missoula, Montana, in 1949.
- 105 more...