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
- 184 more...
- ItemWWASPSD1-185 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 750, circa 1951
- ItemWWASPSD1-186 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 750, Stevenson, Washington, July 1969
- ItemWWASPSD1-187 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 750, undated
- ItemWWASPSD1-188 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 750, Vancouver, Washington, October 6, 1968
- ItemWWASPSD2-001 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Herald , 1986
- ItemWWASPSD2-002 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 800, Spokane, Washington, August 1953
- ItemWWASPSD2-003 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 800, Willbridge, Oregon, undated
- ItemWWASPSD2-004 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 800, Willbridge, Oregon, undated
- ItemWWASPSD2-005 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 800, Willbridge, Oregon, undated
- 160 more...