Railroad Archives Online
- FondoD0011 - James M. Fredrickson Collection
- Serie004 - Northern Pacific Railroad Company
- Sottoserie014 - Photographs
- 003 - Railroad Buildings and Structures
- 002 - Depots and Freighthouses
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- Unità documentariaJMF04-03117.2 - Northern Pacific station at Portland, Oregon, circa 1915.
- Unità documentariaJMF04-03120.0 - Northern Pacific facilities at Goble, Oregon, circa 1900.
- Unità documentariaJMF04-03120.1 - Northern Pacific passenger train at Holbrook, Oregon, circa 1900.
- Unità documentariaJMF04-03121.0 - Northern Pacific station at Oakville, Washington, circa 1920.
- Unità documentariaJMF04-03122.0 - Blakeslee Junction, Washington, circa 1927.
- Unità documentariaJMF04-03125.0 - Northern Pacific station at Elma, Washington, circa 1900.
- Unità documentariaJMF04-03126.0 - Northern Pacific station at Elma, Washington, circa 1900.
- Unità documentariaJMF04-03128.0 - Northern Pacific station at Elma, Washington, circa 1908.
- Unità documentariaJMF04-03149.0 - Northern Pacific station at Doty, Washington, circa 1948.
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