Railroad Archives Online
- CollectionD0255 - Casey Adams Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2002 - Railroad Employees
- ItemCRAGNMISC003 - Great Northern President John M. Budd and Others Reviewing The "Big Sky Blue" Changes, undated
- ItemCRAGNMISC007 - Louis Hill on the Platform of the Observation Car, undated
- ItemCRAGNMISC014 - Great Northern Railroad President John Budd in 1960
- ItemCRAGNMISC016 - Great Northern Railroad Engineer Brockman Having His Lunch Along the Wenatchee River in 1959
- ItemCRAGNMISC021 - Great Northern Railroad Brakeman William W. Lewis in 1961
- ItemCRAGNMISC028 - Great Northern Railroad Chief Executive James J. Hill and His Wife at Havre, Montana, undated
- ItemCRAGNMISC029 - Great Northern Railroad Chief Executive James J. Hill at Havre, Montana, undated
- ItemCRAGNMISC030 - Great Northern Railroad Chief Executive James J. Hill, Wife and the Son of Louis W. Hill at Havre in 1913
- ItemCRAGNMISC031 - Great Northern Railroad Chief Executive James J. Hill at Havre, Montana, undated
- 6 more...