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
- 175 more...
- ItemJMF03-02014.0 - Northern Pacific diesel locomotive number 860 at Bozeman, Montana, in 1955.
- ItemJMF03-02015.0 - Northern Pacific diesel locomotive number 908 at Tacoma, Washington, in 1970.
- ItemJMF03-02016.0 - Northern Pacific diesel locomotive number 908 at Tacoma, Washington, in 1970.
- ItemJMF03-02017.0 - Northern Pacific diesel locomotive number 908 at Tacoma, Washington, in 1970.
- ItemJMF03-02018.0 - Northern Pacific diesel locomotive number 912 at Vancouver, Washington, in 1970.
- ItemJMF03-02019.0 - Northern Pacific diesel locomotive number 917 at Tacoma, Washington, in 1970.
- ItemJMF03-02020.0 - Northern Pacific diesel locomotive number 917 at Tacoma, Washington, in 1970.
- ItemJMF03-02021.0 - Northern Pacific diesel locomotive number 2500 at Auburn, Washington, in 1970.
- ItemJMF03-02022.0 - Northern Pacific diesel locomotive number 2503 at Auburn, Washington, in 1967.
- 465 more...