Railroad Archives Online
- ФондовиD0036 - George Werkema Collection
- Серија003 - Great Northern Railway Company (U.S.)
- Подсерија014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 004 - Railroad Passenger Cars
- 38 више...
- Јединицаimg317 - Great Northern Passenger Car 1335, undated
- Јединицаimg318 - Great Northern Passenger Car 1384 at Bellevue, Ohio, 1991
- Јединицаimg319 - Great Northern Passenger Car 2628, undated
- Јединицаimg320 - Great Northern Passenger Car 2636, 1970
- Јединицаimg321 - Great Northern Observation Car, undated