Railroad Archives Online
- CollectionD0504a - George Bergson Collection - Friends of the Burlington Northern Railroad
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3010 - Miscellaneous
- ItemBN2097-AUBURN-WA-G-B-BERGSON-23MAY80 - Burlington Northern 2097 at Auburn, Washington in 1980.