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
- 11 more...
- ItemDEGN201314012 - Great Northern Steam Locomotive 199 at Hillyard, Washington, 1935
- ItemDEGN201314013 - Great Northern Steam Locomotive 702, undated
- ItemDEGN201314014 - Great Northern Steam Locomotive 4000, undated
- ItemDEGN201314015 - Great Northern Steam Locomotive 2024, undated
- ItemDEGN201314016 - Great Northern Steam Locomotive 2019, undated
- ItemDEGN201314017 - Great Northern Steam Locomotive 1379 at Hillyard, Washington, 1935
- ItemDEGN201314019 - Great Northern Steam Locomotive 2034 at Hillyard, Washington, undated
- ItemDEGN201314020 - Great Northern Steam Locomotive 1722 at Hillyard, Washington, 1935
- ItemDEGN201314021 - Great Northern Steam Locomotive 1480 at undated
- 43 more...