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 3006 - Cabooses (Railroads)
- 7 more...
- ItemWWAPC0280 - Pacific Coast Railroad wood caboose number 53 at Maple Valley, Washington in 1943.
- ItemWWAPC0281 - Pacific Coast Railroad wood caboose number 53 at Maple Valley, Washington in 1943.
- ItemWWAPC0283 - Pacific Coast Railroad caboose number 53 at Maple Valley, Washington in 1946.
- ItemWWAPC0284 - Pacific Coast Railroad wood caboose number 53 at Renton, Washington in 1946.
- ItemWWAPC0285 - Pacific Coast Railroad wood caboose number 53 at Renton, Washington, circa 1946.
- ItemWWAPC0286 - Pacific Coast Railroad wood caboose number 53 at Seattle, Washington, circa 1950.
- ItemWWAPC0288 - Pacific Coast Railroad wood caboose number 53 near Maple Valley, Washington, circa 1943.
- ItemWWAPC0290 - Pacific Coast Railroad caboose number 54 at Taylor, Washington, circa 1940.
- ItemWWAPC0291 - Pacific Coast Railroad caboose number 53 at Seattle, Washington, circa 1950.
- 9 more...