Railroad Archives Online
- FondsD0177A - Chuck Strawn Collection
- Serie010 - Other Railroads
- Teilserie014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 009 - Electric Locomotives
- ObjektStrawn0727 - Butte, Anaconda and Pacific Railway (BAP) Electric Locomotive 47 at Anaconda, Montana, 1970
- ObjektStrawn0728 - Butte, Anaconda and Pacific Railway (BAP) Electric Locomotive 49 at Anaconda, Montana, 1970
- ObjektStrawn0731 - Butte, Anaconda and Pacific Railway (BAP) Electric Locomotive 55 at Anaconda, Montana, 1971
- ObjektStrawn0752 - California Western Railroad (CWR) Steam Locomotive 44 at Fort Bragg, California, July 1969