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
- 764 more...
- ItemWWASPSS-03-007 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 155, Portland, Oregon, September 28, 1935
- ItemWWASPSS-03-008 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 156, Portland, Oregon, undated
- ItemWWASPSS-03-009 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 156, Seaside, Oregon, undated
- ItemWWASPSS-03-010 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 156, Vancouver, Washington, February 7, 1932
- ItemWWASPSS-03-011 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 156, August 1934
- ItemWWASPSS-03-012 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 156, undated
- ItemWWASPSS-03-013 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 157, undated
- ItemWWASPSS-03-014 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 157, Seaside, Oregon, undated
- ItemWWASPSS-03-015 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 157, Portland, Oregon, 1914
- 177 more...