Railroad Archives Online
- CollectionD0059 - David Emerson Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- ItemDEGN201314001 - Great Northern Steam Locomotive 1983, Kelly Lake, Minnesota, August 1954
- ItemDEGN201314002 - Great Northern Steam Locomotive 3396 at Spokane, Washington, 1931
- ItemDEGN201314003 - Great Northern Steam Locomotive 3397 at at Hillyard, Washington, 1935
- ItemDEGN201314004 - Great Northern Steam Locomotive 2553 at at Hillyard, Washington, 1935
- ItemDEGN201314005 - Great Northern Steam Locomotive 2503 at, undated
- 58 more...