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
- 602 more...
- ItemJMF02-03828.0 - Northern Pacific diesel locomotive 255 at Tacoma-McCarver St, Washington, in 1968.
- ItemJMF02-03829.0 - Northern Pacific diesel locomotive 239 at Tacoma-McCarver St, Washington, in 1968.
- ItemJMF02-03830.0 - Northern Pacific diesel locomotive 6010A at Titlow, Washington, in 1969.
- ItemJMF02-03832.0 - Northern Pacific diesel locomotive 227 at Tacoma, Washington, in 1969.
- ItemJMF02-03834.0 - Northern Pacific diesel locomotive 221 at Tacoma, Washington, in 1965.
- ItemJMF02-03834.1 - Northern Pacific diesel locomotive 221 at Tacoma, Washington, in 1965.
- ItemJMF02-03834.2 - Northern Pacific diesel locomotive 221 at Tacoma, Washington, in 1965.
- ItemJMF02-03835.0 - Northern Pacific diesel locomotive 284 at Tacoma, Washington, in 1967.
- ItemJMF02-03835.1 - Northern Pacific diesel locomotive 246 at Tacoma, Washington, in 1967.
- 38 more...