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
- 19 more...
- ItemWWASPSL4-079 - Burlington Northern Diesel Locomotive 5758, Horsethief Lake, Washington, undated
- ItemWWASPSL4-080 - Burlington Northern Diesel Locomotive 4260 as the Rear Unit at Avery, Washington, August 1972
- ItemWWASPSL4-081 - Burlington Northern Diesel Locomotives 6920, 4258 at Avery, Washington, March 1976
- ItemWWASPSL4-087 - Burlington Northern Diesel Locomotive 2232 at Avery, Washington, August 1972
- ItemWWASPSL5-014 - Burlington Northern Diesel Locomotive 2079 at Wishram, Washington, March 1981
- ItemWWASPSL5-025 - Burlington Northern Diesel Locomotive 6538 at Wishram, Washington, undated
- ItemWWASPSL5-055 - Burlington Northern Diesel Locomotive 5320 at Wishram, Washington, August 1972
- ItemWWASPSL5-062 - Burlington Northern Diesel Locomotive 4240 at Wishram, Washington, undated
- ItemWWASPSL5-068 - Burlington Northern Diesel Locomotive 6323 at Wishram, Washington, undated
- 53 more...