Railroad Archives Online
- D0036 - George Werkema Collection
- Ro`yxat003 - Great Northern Railway Company (U.S.)
- Ro`yxat-osti014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 003 - Freight Cars
- 241 more...
- img656 - Great Northern Boxcar 138439 at Albuquerque, New Mexico, 1984
- img657 - Great Northern Boxcar 138462 at Denver, Colorado, 1967
- img658 - Great Northern Boxcar 138510 at Denver, Colorado, 1990
- img659 - Great Northern Boxcar 138572 at Ferndale, Washington, 1992
- img660 - Great Northern Boxcar 138586 at Pasco, Washington, 1982
- img661 - Great Northern Boxcar 138589 at Pasco, Washington, 1983
- img662 - Great Northern Boxcar 138610 at Albuquerque, New Mexico, 1984
- img663 - Great Northern Boxcar 138664 at Denver, Colorado, 1989
- img664 - Great Northern Boxcar 138681 at Albuquerque, New Mexico, 1981
- 269 more...