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 3011 - Railroad cars self-propelled
- ItemJMF01-03582.0 - Northern Pacific passenger train number 422 at South Tacoma, Washington, circa 1954.
- ItemJMF01-03582.1 - Northern Pacific gas-electric motor car number B-3 at South Tacoma, Washington, in 1956.
- ItemJMF01-03582.2 - Northern Pacific gas-electric motor car number B-3 at South Tacoma, Washington, in 1956.
- ItemJMF01-03582.3 - Northern Pacific gas-electric motor car number B-12 at South Tacoma, Washington, in 1956.
- ItemJMF01-03583.0 - Northern Pacific gas-electric motor car number B-8 at Gate, Washington, circa 1940.
- ItemJMF01-03584.0 - Northern Pacific gas-electric motor car number B-23 at Hoquiam, Washington, circa 1953.
- ItemJMF01-03585.0 - Northern Pacific gas-electric motor car number B-18 at Centralia, Washington, circa 1953.
- 33 more...