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