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
- 64 more...
- Itemimg479 - Great Northern Boxcar 3185 at Albuquerque, New Mexico, 1979
- Itemimg480 - Great Northern Boxcar at Bellingham, Washington, 1977
- Itemimg481 - Great Northern Boxcar 3192 at Albuquerque, New Mexico, 1978
- Itemimg482 - Great Northern Boxcar 3288 at Bellingham, Washington, 1977
- Itemimg483 - Great Northern Boxcar 3345 at Knoxville, Tennessee, 1979
- Itemimg484 - Great Northern Boxcar 3345 at Knoxville, Tennessee, 1979
- Itemimg485 - Great Northern Boxcar 3351 at Albuquerque, New Mexico, 1979
- Itemimg486 - Great Northern Boxcar 3377 at Albuquerque, New Mexico, 1978
- Itemimg487 - Great Northern Boxcar 3658 at Denver, Colorado, 1980
- 446 more...