Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3004 - Railroad Passenger Cars
- 24 more...
- Itemimg303 - Great Northern Passenger Car 1173, undated
- Itemimg304 - Great Northern Passenger Car 1196 at Nooksack, Washington, 1995
- Itemimg305 - Great Northern Passenger Car 1218 at Denver, Colorado, 1966
- Itemimg306 - Great Northern Passenger Car 1219 at Palmer Lake, Colorado, 1964
- Itemimg307 - Great Northern Passenger Car 1223 at Denver, Colorado, 1971
- Itemimg308 - Great Northern Passenger Car 1226 at Denver, Colorado, 1971
- Itemimg309 - Great Northern Passenger Car 1244, 1980
- Itemimg310 - Great Northern Passenger Car, 1970
- Itemimg311 - Great Northern Passenger Car 1268 at Denver, Colorado, 1966
- 10 more...