Railroad Archives Online
- CollectionD0142 - Alden M. Raney Collection
- Series004 - Northern Pacific Railroad Company materials
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 8 more...
- ItemAMR-056 - Northern Pacific Railroad Company diesel locomotive 5400A at Portland, Oregon (undated).
- ItemAMR-078 - Northern Pacific Railroad Company diesel locomotive 5406D at Portland, Oregon in 1959.
- ItemAMR-105 - Northern Pacific Railroad Company diesel locomotive 5401D at Vancouver, Washington in 1963.
- ItemAMR-108 - Northern Pacific Railroad Company diesel locomotive 283 at Vancouver, Washington in 1963.
- ItemAMR-114 - Northern Pacific Railroad Company diesel locomotive 335 at Vancouver, Washington in 1961.
- ItemAMR-115 - Northern Pacific Railroad Company diesel locomotive 335 at Vancouver, Washington in 1961.
- ItemAMR-135 - Northern Pacific Railroad Company diesel locomotive 6503C at Portland, Oregon in 1962.
- ItemAMR-136 - Northern Pacific Railroad Company diesel locomotive 6701A at Portland, Oregon in 1962.
- ItemAMR-147 - Northern Pacific Railroad Company diesel locomotive 5405A at Portland, Oregon in 1962.
- 12 more...