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 3005 - Maintenance of Way cars
- 5 more...
- ItemJMF08-05401.0 - Northern Pacific Railroad Bunk Car Number 200841 at Tacoma, Washington in September, 1969.
- ItemJMF08-05402.0 - Northern Pacific Railroad Flat Cars, Number 205303 at Tacoma, Washington in October, 1970.
- ItemJMF08-05403.0 - Northern Pacific Railroad Box Car Number 207215 at Tacoma, Washington in January, 1970.
- ItemJMF08-05404.0 - Northern Pacific Railroad Box Car Number 207947 at Ridgefield, Washington in August, 1976.
- ItemJMF08-05404.1 - Northern Pacific Railroad Box Car Number 207947, at Ridgefield, Washington in August, 1976.
- ItemJMF08-05404.2 - Northern Pacific Railroad Box Car Number 207947 at Ridgefield, Washington in August, 1976.
- ItemJMF08-05405.0 - Northern Pacific Railroad Supply Car at Yakima, Washington in 1981.
- ItemJMF08-05406.0 - Northern Pacific Railroad Inspection Car Number B-67 at Easton, Washington, circa 1945.
- ItemJMF08-05407.0 - Northern Pacific Railroad Hy-Rail Car Number 2 at Easton, Washington, circa 1962.
- 58 more...