Railroad Archives Online
- FondD0011 - James M. Fredrickson Collection
- Sorozat007 - Spokane, Portland, and Seattle Railway
- Alsorozat014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 004 - Railroad Passenger Cars
- IratdarabJMF16-06516.0 - Spokane, Portland & Seattle Railway passenger train at Wishram, Washington in 1990.