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
- 256 more...
- Itemimg670 - Great Northern Boxcar 200034 at Pasco, Washington, 1992
- Itemimg671 - Great Northern Boxcar 200072 at Bellingham, Washington, 1966
- Itemimg672 - Great Northern Boxcar 200109 at Boone, Colorado, 1992
- Itemimg673 - Great Northern Boxcar 200145 at Albuquerque, New Mexico, 1980
- Itemimg674 - Great Northern Boxcar 210004 at Denver, Colorado, 1976
- Itemimg675 - Great Northern Boxcar 210023 at Albuquerque, New Mexico, 1978
- Itemimg691 - Great Northern Hopper Car 70031 at Wishram, Washington, 1988
- Itemimg692 - Great Northern Hopper Car 70064 at Albuquerque, New Mexico, 1978
- Itemimg693 - Great Northern Hopper Car 70064 at Albuquerque, New Mexico, 1980
- 254 more...