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 3001 - Steam Locomotives
- 7 more...
- ItemWWASPSL2-003 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 903 with Freight Train, undated
- ItemWWASPSL2-008 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 605 with Passenger Train, Camas, Washington, undated
- ItemWWASPSL2-009 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 904 with Freight Train, undated
- ItemWWASPSL2-051 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 100, Cascades, Washington, 1916
- ItemWWASPSL2-075 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 494, Stevenson, Washington, circa 1908
- ItemWWASPSL2-084 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 903 with Freight Train, Washington State, undated
- ItemWWASPSL3-077 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 902 at Vancouver, Washington, September 23, 1952
- ItemWWASPSL3-090 - Spokane, Portland, and Seattle (SP&S) Steam Locomotives 700 and 702 at Vancouver, Washington, September 9, 1956
- ItemWWASPSL3-136 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 625, July 21, 1947
- 934 more...