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
- ItemJMF04-02862.0 - Northern Pacific workers at McGinness Ranch, Washington Territory, circa 1887.
- ItemJMF04-02865.0 - Northern Pacific snowplow at Stampede Pass, Washington Territory, circa 1887.
- ItemJMF04-02866.0 - Northern Pacific snowplow at Stampede Pass, Washington Territory, circa 1887.
- ItemJMF04-02870.0 - Northern Pacific at Stampede Pass, Washington Territory, circa 1887.
- ItemJMF08-05400.0 - Northern Pacific Railroad Flat Car Number 200190 at East Auburn, Washington in June, 1975.
- 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.
- 64 more...