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 3003 - Freight Cars
- ItemFOBNR-GB-154 - Burlington Northern 198765 at Vancouver, British Columbia in 1993.
- ItemFOBNR-GB-155 - Burlington Northern 978039 at Spokane, Washington in 1984.