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
- 9 more...
- Itemimg424 - Great Northern Boxcar 5602 at Albuquerque, New Mexico, 1978
- Itemimg425 - Great Northern Boxcar 5783 at Albuquerque, New Mexico, 1979
- Itemimg426 - Great Northern Boxcar 5800 at Denver, Colorado, 1979
- Itemimg427 - Great Northern Boxcar 5978 at Albuquerque, New Mexico, 1980
- Itemimg428 - Great Northern Boxcar 6028 at Albuquerque, New Mexico, 1980
- Itemimg429 - Great Northern Boxcar 6119 at Albuquerque, New Mexico, 1979
- Itemimg430 - Great Northern Boxcar 6127 at Albuquerque, New Mexico, 1978
- Itemimg431 - Great Northern Boxcar 6191 at Albuquerque, New Mexico, 1980
- Itemimg432 - Great Northern Boxcar 6386 at Belen, New Mexico, 1980
- 501 more...