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
- 748 more...
- ItemJMF00-00274.0 - Northern Pacific steam locomotive 924 at Chehalis, Washington, in 1977.
- ItemJMF00-00275.0 - Northern Pacific steam locomotive 925 in 1916.
- ItemJMF00-00276.0 - Northern Pacific steam locomotive 928 at St. Paul, Minnesota, in 1916.
- ItemJMF00-00277.0 - Northern Pacific steam locomotive 929, circa 1898.
- ItemJMF00-00278.0 - Northern Pacific steam locomotive 935 at Tacoma, Washington, circa 1905.
- ItemJMF00-00279.0 - Northern Pacific steam locomotive 935 at Tacoma, Washington, circa 1905.
- ItemJMF00-00280.0 - Northern Pacific steam locomotive 936 in 1916.
- ItemJMF00-00281.0 - Northern Pacific steam locomotive 938 at Tacoma, Washington, circa 1910.
- ItemJMF00-00282.0 - Northern Pacific steam locomotive 972, circq 1920.
- 1888 more...