Railroad Archives Online
- FondoD0197 - Maple Valley Historical Society Collection
- Serie002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Sottoserie014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 001 - Steam Locomotives
- Unità documentariaP11.14.83 - Chicago, Milwaukee, St. Paul and Pacific Railroad steam locomotive number 59 near Maple Valley, Washington in 1951.
- Unità documentariaP11.14.84 - Chicago, Milwaukee, St. Paul and Pacific Railroad steam locomotive number 59 at Spokane, Washington, circa 1951.
- Unità documentariaP1985.105.01-010 - Chicago Milwaukee and Puget Sound Railroad steam locomotive number 935 at Maple Valley, Washington, circa 1910.