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
- 456 more...
- Itemimg885 - Great Northern Gondola 78627 at Denver, Colorado, 1982
- Itemimg886 - Great Northern Gondola 78629 at Denver, Colorado, 1989
- Itemimg887 - Great Northern Gondola 78661 at Albuquerque, New Mexico, 1978
- Itemimg888 - Great Northern Gondola 78768 at Denver, Colorado, 1973
- Itemimg889 - Great Northern Gondola 78782 at Broomfield, Colorado, 1976
- Itemimg890 - Great Northern Gondola 78850 at Denver, Colorado, 1966
- Itemimg891 - Great Northern Gondola 78875 at Bellingham, Washington, 1966
- Itemimg892 - Great Northern Gondola 78917 at Albuquerque, New Mexico, 1988
- Itemimg893 - Great Northern Gondola 78929 at Albuquerque, New Mexico, 1977
- 54 more...