Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2004 - Railroad tracks
- Subseries Level 3003 - Railroad yards
- 2 more...
- ItemWWASPSL1-043 - Spokane, Portland, and Seattle (SP&S) Railway Yard, Portland, Oregon, undated
- ItemWWASPSL1-055 - Spokane, Portland, and Seattle (SP&S) Hoyt Street Yard, Portland, Oregon, 1948
- ItemWWASPSL1-068 - Spokane, Portland, and Seattle (SP&S) Hoyt Street Yard, Portland, Oregon, 1948
- ItemWWASPSL1-069 - Spokane, Portland, and Seattle (SP&S) Hoyt Street Yard, Portland, Oregon, 1948
- ItemWWASPSL3-072 - Spokane, Portland, and Seattle (SP&S) Railway Yard at Vancouver, Washington, undated
- ItemWWASPSL3-078 - Spokane, Portland, and Seattle (SP&S) Railway Yard at Vancouver, Washington, undated
- ItemWWASPSL3-118 - Spokane, Portland, and Seattle (SP&S) Yard Equipment at Vancouver, Washington, undated
- ItemWWASPSL3-120 - Spokane, Portland, and Seattle (SP&S) Old Locomotive Boiler at Vancouver, Washington, undated
- ItemWWASPSL3-126 - Spokane, Portland, and Seattle (SP&S) Yard at Vancouver, Washington, undated
- 7 more...