Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2002 - Railroad Employees
- 6 more...
- ItemWWASPSL4-108 - Spokane, Portland, and Seattle (SP&S) Railway Employees, Washington State, undated
- ItemWWASPSL4-109 - Spokane, Portland, and Seattle (SP&S) Railway Employees, Washington State, undated
- ItemWWASPSL4-110 - Spokane, Portland, and Seattle (SP&S) Railway Employees, Washington State, undated
- ItemWWASPSL7-014 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- ItemWWASPSL7-015 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- ItemWWASPSL7-016 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- ItemWWASPSL7-017 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- ItemWWASPSL7-018 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- ItemWWASPSL7-019 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- 18 more...