Railroad Archives Online
- CollectionUS WaBuPNRA D0504c - Howard Patrick Collection - Friends of the Burlington Northern Railroad
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3005 - Maintenance of Way cars
- ItemPatrick432 - Burlington Northern pickup truck 10277 in Asbury, Minnesota in 1998
- ItemPatrick433 - Burlington Northern pickup truck 10277 in Asbury, Minnesota in 1998
- ItemPatrick434 - Burlington Northern pickup truck 10277 in Asbury, Minnesota in 1998
- ItemPatrick190 - Burlington Northern Dynamometer Car B10 in Duluth, Minnesota in 1976
- ItemPatrick191 - Burlington Northern Dynamometer Car B10 in Duluth, Minnesota in 1976