Railroad Archives Online
- CollectionE0298 - Cordell Newby Photograph 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
- 61 more...
- ItemCNBk3img339 - Great Northern Railway Postal Car 1105, Railway Post Office (RPO) Baggage Car at Tacoma, Washington in 1972.
- ItemCNBk3img340 - Great Northern Railway Postal Car 1107, Railway Post Office (RPO) Baggage Car at St. Paul, Minnesota in 1973.
- ItemCNBk3img341 - Great Northern Railway Postal Car 1108, Railway Post Office (RPO) Baggage Car at Tacoma, Washington in 1972.
- ItemCNBk3img342 - Great Northern Railway Passenger Car 1370 at Seattle, Washington in 1970.
- ItemCNBk3img343 - Great Northern Railway Passenger Car 1371 at Seattle, Washington in 1970.
- ItemCNBk3img344 - Great Northern Railway Passenger Car 1372 at Seattle, Washington in 1970.
- ItemCNBk3img345 - Great Northern Railway Passenger Car 1373 at Chicago, Illinois in 1970.
- ItemCNBk3img346 - Great Northern Railway Passenger Car 1374 at Seattle, Washington.
- ItemCNBk3img347 - Great Northern Railway Passenger Car 1375 at Ellensburg, Washington in 1971.
- 199 more...