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
- 116 more...
- Item40.S.104.03 - Great Northern Steam Locomotive 2575, undated
- Item40.S.104.04 - Great Northern Steam Locomotive 2575 at Spokane, Washington, 1938
- Item40.S.104.05 - Great Northern Steam Locomotive 2576 at Hillyard, Washington, 1935
- Item40.S.104.06 - Great Northern Steam Locomotive 2576, undated
- Item40.S.104.07 - Great Northern Steam Locomotive 2577, undated
- Item40.S.104.08 - Great Northern Steam Locomotive 2578 at Saint Paul, Minnesota, 1948
- Item40.S.104.09 - Great Northern Steam Locomotive 2578, undated
- Item40.S.104.10 - Great Northern Steam Locomotive 2579 at Saint Paul, Minnesota, 1948
- Item40.S.104.11 - Great Northern Steam Locomotive 2580 at Williston, North Dakota, 1954
- 950 more...