Railroad Archives Online
- FondsD0011 - James M. Fredrickson Collection
- Serie007 - Spokane, Portland, and Seattle Railway
- Teilserie014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 002 - Diesel Locomotives
- ObjektJMF16-06610.0 - Spokane, Portland & Seattle Railway diesel locomotive number 53 at Tacoma, Washington, circa 1970.
- ObjektJMF16-06611.0 - Spokane, Portland & Seattle Railway diesel locomotive number 54 at Spokane, Washington in 1976.
- ObjektJMF16-06612.0 - Spokane, Portland & Seattle Railway diesel locomotive number 62 at Vancouver, Washington in 1970.
- ObjektJMF16-06613.0 - Spokane, Portland & Seattle Railway diesel locomotive number 300 at Vancouver, Washington in 1970.
- ObjektJMF16-06614.0 - Spokane, Portland & Seattle Railway diesel locomotive number 317 at Tacoma, Washington in 1970.
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