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
- 600 more...
- Item40.S.67.08 - Great Northern Steam Locomotive 1420 at Billings, Montana, undated
- Item40.S.67.09 - Great Northern Steam Locomotive 1406, undated
- Item40.S.67.10 - Great Northern Steam Locomotive 1414 at Hillyard, Washington, 1935
- Item40.S.67.11 - Great Northern Steam Locomotive 1432 at Superior, Wisconsin, 1939
- Item40.S.68.01 - Great Northern Steam Locomotive 1427 at Great Falls, Montana, 1940
- Item40.S.68.02 - Great Northern Steam Locomotive 1423, undated
- Item40.S.68.03 - Great Northern Steam Locomotive 1425 at Willmar, Minnesota, 1951
- Item40.S.68.04 - Great Northern Steam Locomotive 1428, undated
- Item40.S.68.05 - Great Northern Steam Locomotive 1436, undated
- 466 more...