Railroad Archives Online
- ФондовиD0504b - Al Christianson Collection - Friends of the Burlington Northern Railroad
- Серија001 - Burlington Northern Railroad Company
- Подсерија014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 002 - Diesel Locomotives
- ЈединицаChristianson000008 - Burlington Northern Diesel Locomotive Number 1 at Fargo, North Dakota in 1981
- ЈединицаChristianson000009 - Burlington Northern Diesel Locomotive Number 101 and Precision National Diesel Locomotive Number 1832 in Saint Paul, Minnesota in 1980
- ЈединицаChristianson000010 - Burlington Northern Diesel Locomotive Number 101 in Minneapolis, Minnesota in 1979
- ЈединицаChristianson000011 - Burlington Northern Diesel Locomotive Number 108 in Minneapolis, Minnesota in 1979
- ЈединицаChristianson000012 - Burlington Northern Diesel Locomotive Number 108 in Minneapolis, Minnesota in 1979
- 350 више...