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
- 1804 more...
- ItemJMF00-01076.0 - Northern Pacific steam locomotive 1838 at Livingston, Montana, in 1952.
- ItemJMF00-01077.0 - Northern Pacific steam locomotive 1838, circa 1956.
- ItemJMF00-01078.0 - Northern Pacific steam locomotive 1838 at Tacoma, Washington, in 1938.
- ItemJMF00-01079.0 - Northern Pacific steam locomotive 1839 at Brainerd, Minnesota, in 1954.
- ItemJMF00-01080.0 - Northern Pacific steam locomotive 1841, circa 1938.
- ItemJMF00-01081.0 - Northern Pacific steam locomotive 1842 at Garrison, Montana, in 1952.
- ItemJMF00-01082.0 - Northern Pacific steam locomotive 1842 at Helena, Montana, in 1953.
- ItemJMF00-01083.0 - Northern Pacific steam locomotive 1843 at Helena, Montana, in 1951.
- ItemJMF00-01084.0 - Northern Pacific steam locomotive 1843, circa 1954.
- 832 more...