Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Railroad stations
- ItemJMF04-03113.0 - Spokane, Portland & Seattle station at Vancouver, Washington, circa 1927.
- ItemJMF04-03115.0 - Spokane, Portland & Seattle station at Deer Island, Oregon, circa 1920.
- ItemJMF19-14252.0 - Spokane and Inland Empire Railroad Company depot at Spokane, Washington, circa 1915.