Railroad Archives Online
- FondsD0063 - Walter W. Ainsworth Collection
- Cyfres007 - Spokane, Portland, and Seattle Railway
- Is-gyfres014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 010 - Miscellaneous
- 11 mwy...
- EitemWWASPSL8-083 - Astoria, Oregon Fire Engine at Astoria, Oregon, undated
- EitemWWASPSL8-092 - Light Ship at Astoria, Oregon, undated
- EitemWWASPSL8-093 - Light Ship at Astoria, Oregon, undated
- EitemWWASPSL9-082 - Willamette River, Oregon, undated
- EitemWWASPSL1-001 - Riverfront at Portland, Oregon, undated
- EitemWWASPSL1-002 - Riverfront at Portland, Oregon, undated
- EitemWWASPSL1-003 - Riverfront at Portland, Oregon, undated
- EitemWWASPSL1-004 - Grain Terminal Number 4 at Portland, Oregon, undated