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
- 304 more...
- ItemWWASPSL5-049 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 95 at Wishram, Washington, undated
- ItemWWASPSL5-065 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotives 20 and 60 at Wishram, Washington, undated
- ItemWWASPSL5-066 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotives 20 and 60 at Wishram, Washington, undated
- ItemWWASPSL6-001 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 310 at Wishram, Washington, undated
- ItemWWASPSL6-023 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 67, Washington State, undated
- ItemWWASPSL6-041 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 67, Goldendale Branch, Washington, October 1954
- ItemWWASPSL6-073 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 331 near Plymouth, Washington, April 22, 1968
- ItemWWASPSL6-082 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 61 near Pasco, Washington, August 5, 1953
- ItemWWASPSL6-085 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotives 301, 311 and 325 with Northern Pacific 7052A at Pasco, Washington, March 1969
- 40 more...