Railroad Archives Online
- FondsD0036 - George Werkema Collection
- Cyfres003 - Great Northern Railway Company (U.S.)
- Is-gyfres014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 004 - Railroad Passenger Cars
- Eitemimg1216 - Great Northern Heater Car 19 at Wickersham, Washington, 2008
- Eitemimg277 - Great Northern Passenger Car at Cashmere, Washington, 1987
- Eitemimg278 - Great Northern Passenger Car at Cashmere, Washington, 1987
- Eitemimg279 - Great Northern Passenger Car at Cashmere, Washington, 1987
- Eitemimg280 - Great Northern Passenger Car at Cashmere, Washington, 1987
- 38 mwy...