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
- 1523 more...
- ItemJMF00-00829.0 - Northern Pacific steam locomotive 1688 at Dilworth, Minnesota, in 1934.
- ItemJMF00-00830.0 - Northern Pacific steam locomotive 1689 at Auburn, Washington, in 1944.
- ItemJMF00-00831.0 - Northern Pacific steam locomotive 1689 at Tacoma, Washington, in 1937.
- ItemJMF00-00832.0 - Northern Pacific steam locomotive 1690 at Auburn, Washington, in 1949.
- ItemJMF00-00833.0 - Northern Pacific steam locomotive 1690 at Cle Elum, Washington, in 1953.
- ItemJMF00-00834.0 - Northern Pacific steam locomotive 1690 at South Tacoma, Washington, in 1952.
- ItemJMF00-00835.0 - Northern Pacific steam locomotive 1690 at Tacoma, Washington, circa 1946.
- ItemJMF00-00836.0 - Northern Pacific steam locomotive 1690 at Tacoma, Washington, circa 1946.
- ItemJMF00-00837.0 - Northern Pacific steam locomotive 1690 at Tacoma, Washington, in 1937.
- 1113 more...