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
- 59 more...
- ItemJMF03-01905.0 - Northern Pacific diesel locomotive number 219 at Tacoma, Washington, in 1955.
- ItemJMF03-01906.0 - Northern Pacific diesel locomotive number 219 at Tacoma, Washington, in 1970.
- ItemJMF03-01907.0 - Northern Pacific diesel locomotive number 220 at Tacoma, Washington, in 1970.
- ItemJMF03-01908.0 - Northern Pacific diesel locomotive number 221 at Tacoma, Washington, in 1970.
- ItemJMF03-01909.0 - Northern Pacific diesel locomotive number 222 at Auburn, Washington.
- ItemJMF03-01910.0 - Northern Pacific diesel locomotive number 224 at Tacoma, Washington, in 1970.
- ItemJMF03-01910.1 - Northern Pacific diesel locomotive number 226 at Tacoma, Washington, in 1970.
- ItemJMF03-01911.0 - Northern Pacific diesel locomotive number 227 at Tacoma, Washington, in 1970.
- ItemJMF03-01912.0 - Northern Pacific diesel locomotive number 228 at Tacoma, Washington, in 1970.
- 581 more...