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
- 713 more...
- ItemJMF00-00241.0 - Northern Pacific steam locomotive 728, circa 1890.
- ItemJMF00-00242.0 - Northern Pacific steam locomotive 732 at Ocosta, Washington, in 1903.
- ItemJMF00-00243.B - Northern Pacific steam locomotive 734 at Seattle, Washington, circa 1890.
- ItemJMF00-00244.0 - Northern Pacific steam locomotive 737, circa 1890.
- ItemJMF00-00246.0 - Northern Pacific steam locomotive 748 at Tacoma, Washington, circa 1890.
- ItemJMF00-00247.0 - Northern Pacific steam locomotive 766 at Ocosta, Washington, in 1902.
- ItemJMF00-00248.0 - Northern Pacific steam locomotive 772 at Moclips, Washington, in 1906.
- ItemJMF00-00249.0 - Northern Pacific steam locomotive 777, circa 1890.
- ItemJMF00-00250.0 - Northern Pacific steam locomotive 779 in 1916.
- 1923 more...