Railroad Archives Online
- CollectionD0011 - James M. Fredrickson 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
- 13 more...
- ItemJMF14-05653.0 - Great Northern Railway observation car number at Libby, Montana, undated.
- ItemJMF14-05653.2 - Great Northern Railway Pullman passenger car at Tacoma, Washington in 1935.
- ItemJMF14-05653.3 - Great Northern Railway Pullman passenger car at Tacoma, Washington in 1935.
- ItemJMF14-05653.4 - Great Northern Railway Pullman passenger car at Tacoma, Washington in 1935.
- ItemJMF14-05653.5 - Great Northern Railway Pullman passenger car at Tacoma, Washington in 1934.
- ItemJMF14-05653.6 - Great Northern Railway Pullman passenger car at Tacoma, Washington in 1935.