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 3004 - Railroad passenger cars
- ItemJMF01-03334.0 - Northern Pacific North Coast Limited at Missoula, Montana, circa 1910.
- ItemJMF01-03334.1 - Northern Pacific Vista-Dome North Coast Limited at Missoula, Montana, circa 1955.
- ItemJMF01-03335.0 - Northern Pacific observation car, circa 1930.
- ItemJMF01-03579.0 - Northern Pacific passenger train number 464 at Hoquiam, Washington, in 1956.
- ItemJMF01-03601.0 - Northern Pacific mixed train number 591 at Littell, Washington, in 1954.
- 194 more...