Railroad Archives Online
- FondsD0011 - James M. Fredrickson Collection
- Série004 - Northern Pacific Railroad Company
- Sous-série014 - Photographs
- 003 - Railroad Buildings and Structures
- 010 - Miscellaneous Structures
- 148 en plus...
- PièceJMF04-03157.0 - Walville, Washington, circa 1910.
- PièceJMF04-03158.0 - Walville, Washington, circa 1910.
- PièceJMF04-03159.0 - Lumber mill in Walville, Washington, circa 1920.
- PièceJMF04-03166.0 - Raymond, Washington, in 1907.
- PièceJMF04-03172.0 - Sprague, Washington, circa 1910.
- PièceJMF04-03188.0 - Swede's Old Faithful Inn in Garrison, Montana, in 1955.
- PièceJMF04-03214.0 - Northern Pacific Beneficent Association hospital at Glendive, Montana, circa 1920.