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 3002 - Diesel locomotives
- 262 more...
- ItemJMF03-02100.0 - Northern Pacific diesel locomotive number 5403 at Missoula, Montana, in 1950.
- ItemJMF03-02101.0 - Northern Pacific diesel locomotive number 5403 at Auburn, Washington, in 1967.
- ItemJMF03-02102.0 - Northern Pacific diesel locomotive number 5404 at Easton, Washington, in 1950.
- ItemJMF03-02103.0 - Northern Pacific diesel locomotive number 5404 at Easton, Washington, in 1950.
- ItemJMF03-02104.0 - Northern Pacific diesel locomotive number 5404 at Lester, Washington.
- ItemJMF03-02105.0 - Northern Pacific diesel locomotive number 5406 at Auburn, Washington, in 1967.
- ItemJMF03-02106.0 - Northern Pacific diesel locomotive number 5406 at Auburn, Washington, in 1967.
- ItemJMF03-02107.0 - Northern Pacific diesel locomotive number 5406 at Auburn, Washington, in 1967.
- ItemJMF03-02108.0 - Northern Pacific diesel locomotive number 6007 at Easton, Washington, in 1945.
- 378 more...