Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3003 - Maintenance Facilities
- ItemJMF04-02541.0 - Burlington Northern roundhouse at Tacoma, Washington, in 1972.
- ItemJMF04-02542.0 - Burlington Northern roundhouse at Tacoma, Washington, in 1972.
- ItemJMF04-02543.0 - Burlington Northern roundhouse at Tacoma, Washington, in 1972.
- ItemJMF17-12870.0 - Burlington Northern roundhouse at Pasco, Washington in 1981.