Railroad Archives Online
- FondD0011 - James M. Fredrickson Collection
- Sorozat010 - Other Railroads
- Alsorozat014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 011 - Railroad cars self-propelled
- IratdarabJMF11-09824.0 - Bellingham Bay & British Columbia Motor Car Number 2 at Bellingham, Washington, circa 1910.
- IratdarabJMF11-09825.0 - Bellingham Bay & British Columbia Motor Car Number 2 at Everson, Washington, circa 1910.
- IratdarabJMF11-09826.0 - Bellingham Bay & British Columbia Motor Car Number 2 at Everson, Washington, circa 1910.
- IratdarabJMF11-10441.0 - Skagit River Railway Motor Car Number 5 at Rockport, Washington, circa 1950.
- IratdarabJMF11-10447.0 - Spokane, Coeur D' Alene & Palouse Railway Rail Car Number 47, circa 1925.
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