Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 71 more...
- ItemWWASPSL4-031 - Spokane, Portland, and Seattle (SP&S) Depot, Agent and Clerk at White Salmon, Washington, undated
- ItemWWASPSL4-032 - Spokane, Portland, and Seattle (SP&S) Depot, Agent and Clerk at White Salmon, Washington, undated
- ItemWWASPSL1-034 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 624 with Passenger Train in Union Station, Portland, Oregon, August 25, 1947
- ItemWWASPSL1-035 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 603 with Passenger Train in Union Station, Portland, Oregon, 1939
- ItemWWASPSL1-037 - Spokane, Portland, and Seattle (SP&S) Passenger Train, Portland, Oregon, June 24, 1947
- ItemWWASPSL1-039 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 701 with Passenger Train, Portland, Oregon, July 8, 1947
- ItemWWASPSL1-040 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 157 with Passenger Train, Portland, Oregon, January 2, 1922
- ItemWWASPSL1-041 - Spokane, Portland, and Seattle (SP&S) Steam Locomotive 621 with Passenger Train, Portland, Oregon, May 7, 1939
- ItemWWASPSL8-021 - Spokane, Portland, and Seattle (SP&S) Depot at Goble, Oregon, undated