Railroad Archives Online
- CollectionE0437 - Jim Parker 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
- Item35336 - Great Northern Dome Passenger Car Number 1322, Wishram, Washington, 1967
- Item35337 - Great Northern Dome Passenger Car Number 1325, Wishram, Washington, 1969
- Item35338 - Great Northern Dome Passenger Car 1329, Chicago, Illinois, undated
- Item35339 - Great Northern Passenger Car 1254, Chicago, Illinois, October, 1968
- Item35340 - Great Northern Full Dome Passenger Car 1394, Chicago, Illinois, October 1969
- Item35341 - Great Northern Combination Passenger Car 1241, Rawlins, Wyoming, 1973