Railroad Archives Online
- FondiD0036 - George Werkema Collection
- Serija003 - Great Northern Railway Company (U.S.)
- Podserija014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 004 - Railroad Passenger Cars
- 7 more...
- Dokumentimg286 - Great Northern Passenger Car 42 at Seattle, Washington, 1973
- Dokumentimg287 - Great Northern Passenger Car 44 at Seattle, Washington, 1973
- Dokumentimg288 - Great Northern Passenger Car 251 at Seattle, Washington, 1973
- Dokumentimg289 - Great Northern Passenger Car 251, 1972
- Dokumentimg290 - Great Northern Passenger Car 253, 1970
- Dokumentimg291 - Great Northern Passenger Car 259 at Wenatchee, Washington, 1988
- Dokumentimg292 - Great Northern Passenger Car 203 at Seattle, Washington, 1977
- Dokumentimg293 - Great Northern Passenger Car 203 at Seattle, Washington, 1977
- Dokumentimg294 - Great Northern Passenger Car 316, undated
- 27 more...