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
- 444 more...
- Itemimg873 - Great Northern Gondola 74815, undated
- Itemimg874 - Great Northern Gondola 75698 at Hillyard, Washington, 1965
- Itemimg875 - Great Northern Gondola 77373 at Lewistown, Montana, 1965
- Itemimg876 - Great Northern Gondola 78404 at Albuquerque, New Mexico, 1978
- Itemimg877 - Great Northern Gondola 78437 at Belen, New Mexico, 1985
- Itemimg878 - Great Northern Gondola 78454 at Denver, Colorado, 1982
- Itemimg879 - Great Northern Gondola 78499 at Denver, Colorado, 1990
- Itemimg880 - Great Northern Gondola 78516 at Amarillo, Texas, 1980
- Itemimg881 - Great Northern Gondola 78563 at Longmont, Colorado, 1989
- 66 more...