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
- 256 more...
- ItemJMF03-02094.0 - Northern Pacific diesel locomotive number 5400 at Auburn, Washington, in 1952.
- ItemJMF03-02095.0 - Northern Pacific diesel locomotive number 5401 at Auburn, Washington, in 1967.
- ItemJMF03-02096.0 - Northern Pacific diesel locomotive number 5401 at Auburn, Washington, in 1967.
- ItemJMF03-02097.0 - Northern Pacific diesel locomotive number 5402 at Lester, Washington.
- ItemJMF03-02098.0 - Northern Pacific diesel locomotive number 5402 at Portland, Oregon, in 1964.
- ItemJMF03-02099.0 - Northern Pacific diesel locomotive number 5402.
- 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.
- 384 more...