Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3004 - Railroad Passenger Cars
- ItemWWAPC0090 - Seattle and Walla Walla Railroad passenger train at Seattle, Washington, circa 1878.
- ItemWWAPC0243 - Columbia and Puget Sound Railroad passenger train Pat Taylor, Washington, circa 1910.
- ItemWWAPC0244 - Columbia and Puget Sound Railroad passenger train at Franklin, Washington, circa 1914.
- ItemWWAPC0245 - Columbia and Puget Sound Railroad passenger train at Taylor, Washington, circa 1910.
- ItemWWAPC0302 - Columbia and Puget Sound Railroad passenger car number 9 at Seattle, Washington, circa 1910.
- 29 more...