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
- 318 more...
- ItemWWASPSL7-108 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 302, Spokane, Washington, November 1969
- ItemWWASPSL7-113 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 853 at Hillyard, Washington, April 18, 1951
- ItemWWASPSL7-114 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 865 at Hillyard, Washington, undated
- ItemWWASPSL7-115 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 862 at Hillyard, Washington, undated
- 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
- 26 more...