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
- 76 more...
- ItemWWASPSL2-045 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive, Cascades, Washington, 1909
- ItemWWASPSL2-046 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive, Cascades, Washington, 1909
- ItemWWASPSL2-047 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive, Cascades, Washington, 1909
- ItemWWASPSL4-023 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive at White Salmon, Washington, undated
- ItemWWASPSL4-091 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive, Washington State, 1914
- ItemWWASPSL4-092 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive, Washington State, September 18, 1913
- ItemWWASPSL4-096 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive, Washington State, September 4, 1925
- ItemWWASPSL4-098 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive, Washington State, undated
- ItemWWASPSL4-099 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive, Washington State, undated
- 865 more...