Railroad Archives Online
- ArkivD0063 - Walter W. Ainsworth Collection
- Serie010 - Other Railroads
- Underserie014 - Photographs
- 002 - Railroad Employees
- ObjektWWASPSL7-137 - Oregon Trunk Railway (OT) Work Crew, Bend, Oregon, circa 1956
- ObjektWWASPSL7-138 - Oregon Trunk Railway (OT) Work Crew, Bend, Oregon, circa 1956
- ObjektWWASPSL6-002 - Columbia River and Northern Railway Construction Crew at Goldendale, Washington, undated
- ObjektWWASPSL8-072 - Astoria and Columbia River Railroad Work Crew, Oregon, circa 1898