Railroad Archives Online
- CollectionE0018 - Norm Keyes Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 1002 more...
- Item40.S.97.21 - Great Northern Steam Locomotive 2513, undated
- Item40.S.97.22 - Great Northern Steam Locomotive 2513, undated
- Item40.S.97.23 - Great Northern Steam Locomotive 2514, undated
- Item40.S.97.24 - Great Northern Steam Locomotive 2514, undated
- Item40.S.97.25 - Great Northern Steam Locomotive 2514 at Saint Paul, Minnesota, undated
- Item40.S.97.26 - Great Northern Steam Locomotive 2515, undated
- Item40.S.97.27 - Great Northern Steam Locomotive 2517, undated
- Item40.S.97.28 - Great Northern Steam Locomotive 2517 at Saint Paul, Minnesota, undated
- Item40.S.97.29 - Great Northern Steam Locomotive 2518 at Fargo, North Dakota, 1930
- 64 more...