Railroad Archives Online
- FondoD0059 - David Emerson Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Sottoserie014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 001 - Steam Locomotives
- Unità documentariaDEGN201314001 - Great Northern Steam Locomotive 1983, Kelly Lake, Minnesota, August 1954
- Unità documentariaDEGN201314002 - Great Northern Steam Locomotive 3396 at Spokane, Washington, 1931
- Unità documentariaDEGN201314003 - Great Northern Steam Locomotive 3397 at at Hillyard, Washington, 1935
- Unità documentariaDEGN201314004 - Great Northern Steam Locomotive 2553 at at Hillyard, Washington, 1935
- Unità documentariaDEGN201314005 - Great Northern Steam Locomotive 2503 at, undated
- 58 in più...