Railroad Archives Online
- フォンドD0036 - George Werkema Collection
- シリーズ003 - Great Northern Railway Company (U.S.)
- サブシリーズ014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 004 - Railroad Passenger Cars
- 38 more...
- アイテムimg317 - Great Northern Passenger Car 1335, undated
- アイテムimg318 - Great Northern Passenger Car 1384 at Bellevue, Ohio, 1991
- アイテムimg319 - Great Northern Passenger Car 2628, undated
- アイテムimg320 - Great Northern Passenger Car 2636, 1970
- アイテムimg321 - Great Northern Observation Car, undated