Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series005 - Pacific Coast Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- ItemWWAPC0002 - Pacific Coast Railroad steam locomotive number 12 at Seattle, Washington, circa 1930.
- ItemWWAPC0005 - Pacific Coast Railroad steam locomotive number 12 at Seattle, Washington in 1938.
- ItemWWAPC0007 - Pacific Coast Railroad steam locomotive number 12 at Seattle, Washington in 1949.
- ItemWWAPC0008 - Pacific Coast Railroad steam locomotive number 12 at Seattle, Washington in 1940.
- ItemWWAPC0011 - Pacific Coast Railroad steam locomotive number 12 at Seattle, Washington, circa 1939.
- ItemWWAPC0012 - Pacific Coast Railroad steam locomotive number 12 at Seattle, Washington in 1939.
- ItemWWAPC0014 - Pacific Coast Railroad steam locomotive number 12 at Seattle, Washington in 1939.
- ItemWWAPC0015 - Pacific Coast Railroad steam locomotive number 12 at Seattle, Washington, circa 1940.
- ItemWWAPC0016 - Pacific Coast Railroad steam locomotive number 12 at Seattle, Washington in 1939.
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