Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2002 - Railroad Employees
- 17 more...
- ItemWWASPSL7-023 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- ItemWWASPSL7-024 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- ItemWWASPSL7-025 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- ItemWWASPSL7-029 - Spokane, Portland, and Seattle (SP&S) Work Crew, Washington State, undated
- ItemWWASPSL7-123 - Spokane, Portland, and Seattle (SP&S) Work crew, Washington State, 1945
- ItemWWASPSL7-124 - Spokane, Portland, and Seattle (SP&S) Work crew, Washington State, undated
- ItemWWASPSL7-128 - Spokane, Portland, and Seattle (SP&S) Employees, Washington State, undated
- ItemWWASPSL7-139 - Spokane, Portland, and Seattle (SP&S) Tunnel Collapse, Washington State, undated
- ItemWWASPSL7-142 - Spokane, Portland, and Seattle (SP&S) Train Crew, Oregon State, undated
- 7 more...