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
- 472 more...
- Itemimg901 - Great Northern Gondola 79098 at Denver, Colorado, 1978
- Itemimg902 - Great Northern Gondola 79084 at Albuquerque, New Mexico, 1978
- Itemimg903 - Great Northern Gondola 74158 at Bellingham, Washington, 1965
- Itemimg904 - Great Northern Gondola 74203, undated
- Itemimg905 - Great Northern Gondola 74287, undated
- Itemimg906 - Great Northern Gondola 74403 at Bellingham, Washington, 1965
- Itemimg907 - Great Northern Gondola 74429, undated
- Itemimg908 - Great Northern Woodchip Car 174001 at Pasco, Washington, 1983
- Itemimg909 - Great Northern Woodchip Car 174091 at Seattle, Washington, 1977
- 38 more...