Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3003 - Freight Cars
- 213 more...
- Itemimg628 - Great Northern Boxcar 319240 at Denver, Colorado, 1989
- Itemimg629 - Great Northern Boxcar 319244 at Albuquerque, New Mexico, 1978
- Itemimg630 - Great Northern Boxcar 319274 at Albuquerque, New Mexico, 1988
- Itemimg631 - Great Northern Boxcar 319283 at Kansas City, Missouri, 1991
- Itemimg632 - Great Northern Boxcar 319290 at Pasco, Washington, 1983
- Itemimg633 - Great Northern Boxcar 319293 at Kansas City, Missouri, 1991
- Itemimg634 - Great Northern Boxcar 319293 at Pasco, Washington, 1992
- Itemimg635 - Great Northern Boxcar 319304 at Denver, Colorado, 1990
- Itemimg636 - Great Northern Boxcar 319310 at Broomfield, Colorado, 1990
- 297 more...