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
- 137 more...
- Item40.S.104.24 - Great Northern Steam Locomotive 2577, undated
- Item40.S.104.25 - Great Northern Steam Locomotive 2575 at Hillyard, Washington, 1939
- Item40.S.104.26 - Great Northern Steam Locomotive 2577, undated
- Item40.S.104.27 - Great Northern Steam Locomotive 2577, undated
- Item40.S.104.28 - Great Northern Steam Locomotive 2581, undated
- Item40.S.104.29 - Great Northern Steam Locomotive 2575, undated
- Item40.S.104.30 - Great Northern Steam Locomotive 2579, undated
- Item40.S.104.31 - Great Northern Steam Locomotive 2582, undated
- Item40.S.104.32 - Great Northern Steam Locomotive 2577 at Fargo, North Dakota, 1955
- 929 more...