Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 31 more...
- ItemWWASPSL6-043 - Burlington Northern Diesel Locomotive 2513 on Goldendale Branch, Washington, undated
- ItemWWASPSL6-044 - Burlington Northern Diesel Locomotive 2559 on Goldendale Branch, Washington, April 14, 1989
- ItemWWASPSL6-045 - Burlington Northern Diesel Locomotive 2559 on Goldendale Branch, Washington, April 14, 1989
- ItemWWASPSL6-053 - Burlington Northern Diesel Locomotive 3507 near Maryhill, Washington, undated
- ItemWWASPSL6-057 - Burlington Northern Diesel Locomotive 6402 near Cliffs, Washington, August 1972
- ItemWWASPSL6-058 - Burlington Northern Diesel Locomotive 6402 near Cliffs, Washington, August 1972
- ItemWWASPSL6-064 - Burlington Northern Diesel Locomotive 8118 near Towal, Washington, October 24, 1988
- ItemWWASPSL6-065 - Burlington Northern Diesel Locomotive 7852 near Towal, Washington, October 24, 1988
- ItemWWASPSL7-004 - Burlington Northern Diesel Locomotives 800, 5704 and 6454 near Snake River, Washington, May 1971
- 41 more...