Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2005 - Landscape photography
- 6 more...
- ItemWWASPSL2-088 - Wind Mountain, Washington, undated
- ItemWWASPSL4-022 - White Salmon River near White Salmon, Washington, undated
- ItemWWASPSL4-090 - North Bank of the Columbia River, Washington State, 1903
- ItemWWASPSL4-095 - Columbia River and Mount Hood, Washington State, undated
- ItemWWASPSL4-100 - Columbia River at Mitchell's Point, Washington State, undated
- ItemWWASPSL4-101 - Columbia River at Mitchell's Point, Washington State, undated
- ItemWWASPSL4-103 - Columbia River at Mitchell's Point, Washington State, undated
- ItemWWASPSL4-104 - Columbia River and Mount Adams, Washington State, undated
- ItemWWASPSL4-105 - Columbia River, Washington State, 1910
- 13 more...