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
- 50 more...
- ItemWWASPSL7-079 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 911, Marshall, Washington, May 17, 1953
- ItemWWASPSL7-095 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 902 at Spokane, Washington, undated
- ItemWWASPSL7-103 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 701 at Spokane, Washington, May 29, 1951
- ItemWWASPSL7-105 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive at Spokane, Washington, undated
- ItemWWASPSL7-109 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 910 at Spokane, Washington, undated
- ItemWWASPSL7-111 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 539 at Spokane, Washington, undated
- ItemWWASPSL7-134 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive, Washington State, undated
- ItemWWASPSL8-001 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 370 at Willbridge, Oregon, undated
- ItemWWASPSL8-018 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 152 at Deer Island, , undated
- 891 more...