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 3002 - Diesel Locomotives
- 322 more...
- ItemWWASPSL8-003 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 321, Oregon State, undated
- ItemWWASPSL8-004 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive, Alco FA-1, Oregon, undated
- ItemWWASPSL8-026 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 802 at Rainier, Oregon, September 22, 1949
- ItemWWASPSL8-029 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 800 at Rainier, Oregon, undated
- ItemWWASPSL8-039 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 856, Oregon, undated
- ItemWWASPSL8-073 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 800 at Tongue Point, Oregon, September 18, 1951
- ItemWWASPSL8-114 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive with Freight Train at Astoria, Oregon, undated
- ItemWWASPSL8-137 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 96 at Astoria, Oregon, undated
- ItemWWASPSL8-149 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotives 93 and 65 at Astoria, Oregon, undated
- 22 more...