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
- ItemWWAPC0332 - Burlington Northern Railroad diesel locomotive number 205 at Seattle, Washington, circa 1990.
- ItemWWAGD-52-410 - Burlington Northern Diesel Locomotive 656 at Saint Paul, Minnesota, 1976
- ItemWWAGD-52-476 - Burlington Northern Diesel Locomotive 5704, undated
- ItemWWASPSL2-068 - Burlington Northern Diesel Locomotive 6756, Stevenson, Washington, December 7, 1976
- ItemWWASPSL2-077 - Burlington Northern Diesel Locomotive 6384, Stevenson, Washington, February 1979
- ItemWWASPSL3-114 - Burlington Northern Diesel Locomotive 4067 at Albany, Oregon, undated
- 75 more...