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
- 677 more...
- ItemJMF00-00208.1 - Northern Pacific steam locomotive 666 at Jamestown, North Dakota, circa 1928.
- ItemJMF00-00209.0 - Northern Pacific steam locomotive 667 in 1916.
- ItemJMF00-00210.0.B - Northern Pacific steam locomotive 667 in 1916.
- ItemJMF00-00211.0 - Northern Pacific steam locomotive 672 at Parkwater, Washington, in 1916.
- ItemJMF00-00212.B - Northern Pacific steam locomotive 672 in 1916.
- ItemJMF00-00213.0 - Northern Pacific steam locomotive 677 in 1916.
- ItemJMF00-00214.0 - Northern Pacific steam locomotive 684 at Tacoma, Washington, in 1953.
- ItemJMF00-00215.0 - Northern Pacific steam locomotive 684 at Tacoma, Washington, in 1953.
- ItemJMF00-00216.0 - Northern Pacific steam locomotive 684 at Tacoma, Washington, in 1953.
- 1959 more...