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
- 92 more...
- ItemJMF03-01934.0 - Northern Pacific diesel locomotive number 259 at Seattle, Washington.
- ItemJMF03-01935.0 - Northern Pacific diesel locomotive number 259 at Auburn, Washington, in 1967.
- ItemJMF03-01936.0 - Northern Pacific diesel locomotive number 265 at Tacoma, Washington, in 1970.
- ItemJMF03-01937.0 - Northern Pacific diesel locomotive number 284 at Tacoma, Washington, in 1970.
- ItemJMF03-01938.0 - Northern Pacific diesel locomotive number 285 at Auburn, Washington, in 1967.
- ItemJMF03-01939.0 - Northern Pacific diesel locomotive number 296 at Auburn, Washington, in 1970.
- ItemJMF03-01940.0 - Northern Pacific diesel locomotive number 296 at Auburn, Washington, in 1970.
- ItemJMF03-01941.0 - Northern Pacific diesel locomotive number 297 at Auburn, Washington, in 1967.
- ItemJMF03-01942.0 - Northern Pacific diesel locomotive number 304 at Pullman, Washington, in 1967.
- 548 more...