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
- 695 more...
- ItemJMF00-00227.0 - Northern Pacific steam locomotive 684 at Woodinville, Washington, in 1953.
- ItemJMF00-00228.0 - Northern Pacific steam locomotive 684 at Woodinville, Washington, in 1953.
- ItemJMF00-00229.0 - Northern Pacific steam locomotive 684 at Spokane, Washington, in 1953.
- ItemJMF00-00229.1 - Northern Pacific steam locomotive 684 at Spokane, Washington, in 1953.
- ItemJMF00-00230.0 - Northern Pacific steam locomotive 684 at Enumclaw, Washington, in 1953.
- ItemJMF00-00230.1 - Northern Pacific steam locomotive 684 at Tacoma, Washington, in 1953.
- ItemJMF00-00230.2 - Northern Pacific steam locomotive 684 at Tacoma, Washington, in 1953.
- ItemJMF00-00231.0 - Northern Pacific steam locomotive 689 at Castle Rock, Washington, circa 1900.
- ItemJMF00-00232.0 - Northern Pacific steam locomotive 690 in 1916.
- 1941 more...