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
- 8 more...
- ItemWWASPSL4-014 - Burlington Northern Diesel Locomotive 1750 at Cooks, Washington, June 24, 1978
- ItemWWASPSL4-046 - Burlington Northern Diesel Locomotive 8000, Washington State, undated
- ItemWWASPSL4-047 - Burlington Northern Diesel Locomotive 8000, Washington State, undated
- ItemWWASPSL4-048 - Burlington Northern Diesel Locomotive 8000, Washington State, undated
- ItemWWASPSL4-051 - Burlington Northern Diesel Locomotive 8000, Washington State, undated
- ItemWWASPSL4-059 - Burlington Northern Diesel Locomotive 4081 at Lyle, Washington, August 1972
- ItemWWASPSL4-060 - Burlington Northern Diesel Locomotive 4081 at Lyle, Washington, August 1972
- ItemWWASPSL4-067 - Burlington Northern Diesel Locomotive 4076 at Lyle, Washington, May 1971
- ItemWWASPSL4-068 - Burlington Northern Diesel Locomotive 6498, Washington State, undated
- 64 more...