Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 23 more...
- ItemWWAPCN0226 - Pacific Coast Railway steam locomotive number 107 at San Luis Obispo, California in 1938.
- ItemWWAPCN0230 - Pacific Coast Railway steam locomotive number 104 at San Luis Obispo, California, circa 1895.
- ItemWWAPCN0231 - Pacific Coast Railway steam locomotive number 104 in California, circa 1938.
- ItemWWAPCN0232 - Pacific Coast Railway steam locomotive number 109 at San Luis Obispo, California, circa 1928.
- ItemWWAPCN0233 - Pacific Coast Railway steam locomotive number 6 in California, circa 1928.
- ItemWWAPCN0235 - Pacific Coast Railway steam locomotive at Avila, California in 1898.
- ItemWWAPCN0283 - Pacific Coast Railroad steam locomotive number 10 at Seattle, Washington, circa 1940.
- ItemWWAPCN0354 - Columbia and Puget Sound Railroad steam locomotive number 12 at Seattle, Washington, circa 1910.