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
- 8 more...
- Itemimg287 - Great Northern Passenger Car 44 at Seattle, Washington, 1973
- Itemimg288 - Great Northern Passenger Car 251 at Seattle, Washington, 1973
- Itemimg289 - Great Northern Passenger Car 251, 1972
- Itemimg290 - Great Northern Passenger Car 253, 1970
- Itemimg291 - Great Northern Passenger Car 259 at Wenatchee, Washington, 1988
- Itemimg292 - Great Northern Passenger Car 203 at Seattle, Washington, 1977
- Itemimg293 - Great Northern Passenger Car 203 at Seattle, Washington, 1977
- Itemimg294 - Great Northern Passenger Car 316, undated
- Itemimg295 - Great Northern Passenger Car 577 at Lewistown, Montana, 1965
- 26 more...