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
- 1036 more...
- Item40.S.97.55 - Great Northern Steam Locomotive 2525, undated
- Item40.S.97.56 - Great Northern Steam Locomotive 2525 at Hillsboro, North Dakota, 1955
- Item40.S.97.57 - Great Northern Steam Locomotive 2527, undated
- Item40.S.97.58 - Great Northern Steam Locomotive 2517, undated
- Item40.S.99.01 - Great Northern Steam Locomotive 2118, undated
- Item40.S.99.02 - Great Northern Steam Locomotive 2102, undated
- Item40.S.99.03 - Great Northern Steam Locomotive 2102 at Portland, Oregon, 1950
- Item40.S.99.04 - Great Northern Steam Locomotive 2105 at Spokane, Washington, 1947
- Item40.S.99.05 - Great Northern Steam Locomotive 2115 at Portland, Oregon, 1945
- 30 more...