Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 344 more...
- ItemWWASPSL7-102 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 863 at Spokane, Washington, February 1965
- ItemWWASPSL3-119 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 65 in the Diesel Shop at Vancouver, Washington, September 9, 1956
- ItemWWASPSL2-064 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 322, John Day Dam, Washington, May 1967
- ItemWWASPSL6-037 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotives 150 and 151 at Goldendale , Washington, September 25, 1966
- ItemWWASPSL9-040 - Spokane, Portland & Seattle (SP&S) Depot and Passenger Train at Seaside, Oregon, undated
- ItemWWASPSL2-032 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 866, Cape Horn, Washington, undated
- ItemWWASPSL5-063 - Spokane, Portland, and Seattle (SP&S) Locomotives 22 and 910 at Wishram, Washington, undated
- ItemWWASPSL5-064 - Spokane, Portland, and Seattle (SP&S) Locomotives 903 and 26 at Wishram, Washington, undated
- ItemWWASPSL2-037 - Spokane, Portland, and Seattle (SP&S) Trains Meeting, Skamania, Washington, September 1955