Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- ItemWWAPC0620 - Spirit of Washington Dinner Train locomotive at Renton, Washington, circa 1995.
- ItemWWAPC0621 - Spirit of Washington Dinner Train locomotive number 102 at Renton, Washington, circa 1995.
- ItemWWAPCN0218 - Pacific Coast Railway gas locomotive number 120 in California, circa 1939.
- ItemWWAPCN0229 - Pacific Coast Railway gas locomotive number 3 at Avila, California, circa 1928.
- ItemWWASPSL4-073 - Amtrak Diesel Locomotive 373 at North Dalles, Washington, May 1985
- ItemWWASPSL4-086 - Electro-Motive Division (EMD) Diesel Locomotive 9034, Avery, Washington, undated
- ItemWWASPSL5-056 - American Locomotive Company Diesel Locomotive DL-701A at Wishram, Washington, undated