Railroad Archives Online
- CollectionD0197 - Maple Valley Historical Society Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2004 - Railroad tracks
- Subseries Level 3001 - Railroad mainline
- ItemP1985.89.01-005 - Columbia and Puget Sound Railroad track near Taylor, Washington, circa 1915.
- ItemP1985.102.01-008 - Columbia and Puget Sound Railroad mainline near Taylor, Washington, circa 1915.
- ItemP1985.406.06-019 - Columbia and Puget Sound Railroad railroad track at Hobart, Washington, circa 1903.
- ItemP1986.71.10-021 - Columbia and Puget Sound Railroad railroad track at Maple Valley, Washington, circa 1890.
- ItemP2016.06.08-082 - Columbia and Puget Sound Railroad railroad mainline at Franklin, Washington, circa 1913.