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
- 6 more...
- ItemJMF01-03585.0 - Northern Pacific gas-electric motor car number B-18 at Centralia, Washington, circa 1953.
- ItemJMF01-03585.0 - Northern Pacific gas electric car number B-18 at Lewiston, Idaho, in 1954
- ItemJMF01-03585.2 - Northern Pacific gas electric car number B-19 at Tacoma, Washington, in 1935.
- ItemJMF01-03586.0 - Northern Pacific passenger train number 306 at Clarks Fork, Idaho, in 1952.
- ItemJMF01-03587.0 - Northern Pacific gas-electric motor car number B-23 at Paradise, Montana, in 1952.
- ItemJMF01-03587.1 - Northern Pacific McKeen car number A-1 at Auburn, Washington, ca. 1910
- ItemJMF01-03587.2 - Northern Pacific McKeen car number A-1 at Cle Elum, Washington, ca. 1910
- ItemJMF01-03587.3 - Northern Pacific McKeen car number A-1 at Cle Elum, Washington, ca. 1910
- ItemJMF01-03587.4 - Northern Pacific McKeen car number A-1 at Darrington, Washington, ca. 1910
- 25 more...