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
- 381 more...
- ItemWWASPSS-05-063 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 450, Vancouver, Washington, June 17, 1936
- ItemWWASPSS-05-064 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 450, Portland, Oregon, undated
- ItemWWASPSS-05-065 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 450, Vancouver, Washington, undated
- ItemWWASPSS-05-066 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 451, Portland, Oregon, June 1937
- ItemWWASPSS-05-067 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 451, undated
- ItemWWASPSS-05-068 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 452, Vancouver, Washington, November 9, 1941
- ItemWWASPSS-05-069 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 452, Tigard, Oregon, October 1942
- ItemWWASPSS-05-070 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 452, Vancouver, Washington, 1940
- ItemWWASPSS-05-071 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 453, Portland, Oregon, May 1937
- 560 more...