Railroad Archives Online
- CollectionD0255 - Casey Adams Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2002 - Railroad Employees
- 8 more...
- ItemCRAGNMISC031 - Great Northern Railroad Chief Executive James J. Hill at Havre, Montana, undated
- ItemCRAGNMISC032 - Great Northern Railroad Chief Executive James J. Hill at Havre, Montana, undated
- ItemCRAGNMISC033 - Great Northern Railroad Chief Executive James J. Hill at Havre, Montana, undated
- ItemCRAGNMISC034 - Great Northern Railroad Chief Executive James J. Hill in 1905
- ItemCRAGNMISC035 - Great Northern Railroad Chief Executive James J. Hill at Havre, Montana, 1913
- ItemCRAGNMISC036 - Great Northern Railroad Chief Executive James J. Hill at Glacier National Park, Montana, undated
- ItemCRAGNMISC037 - Great Northern Railroad Chief Executive James J. Hill at Havre, Montana in 1916