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
- 42 more...
- ItemWWASPSL6-096 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 901 at Pasco, Washington, May 9, 1938
- ItemWWASPSL7-012 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 601, Washington State, undated
- ItemWWASPSL7-013 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 601, Washington State, undated
- ItemWWASPSL7-048 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive at Washtucna, Washington, undated
- ItemWWASPSL7-073 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 910 at Scribner Junction, Washington, circa 1952
- ItemWWASPSL7-076 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 910 at Scribner Junction, Washington, circa 1952
- ItemWWASPSL7-077 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 902 at Marshall, Washington, May 17, 1953
- ItemWWASPSL7-078 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 902 at Marshall, Washington, May 17, 1953
- ItemWWASPSL7-079 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 911, Marshall, Washington, May 17, 1953
- 899 more...