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
- 252 more...
- ItemJMF03-02090.0 - Northern Pacific diesel locomotive number 3625 at Auburn, Washington, in 1970.
- ItemJMF03-02091.0 - Northern Pacific diesel locomotive number 3626 at Auburn, Washington, in 1969.
- ItemJMF03-02092.0 - Northern Pacific diesel locomotive number 3626 at Auburn, Washington, in 1970.
- ItemJMF03-02093.0 - Northern Pacific diesel locomotive number 5400 at Easton, Washington, in 1950.
- 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.
- 388 more...