Railroad Archives Online
- CollectionE0298 - Cordell Newby Photograph Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 189 more...
- ItemCNBk1img190 - Great Northern Railway 593 at Minot, North Dakota in 1968.
- ItemCNBk1img191 - Great Northern Railway 593 at Minot, North Dakota in 1968.
- ItemCNBk1img192 - Great Northern Railway 595 at Minneapolis, Minnesota in 1969.
- ItemCNBk1img193 - Great Northern Railway 595 at Minneapolis, Minnesota in 1969.
- ItemCNBk1img194 - Great Northern Railway 596 at Saint Cloud, Minnesota in 1967.
- ItemCNBk1img195 - Great Northern Railway 597 at Spokane, Washington in 1968.
- ItemCNBk1img196 - Great Northern Railway 550 at Minot, North Dakota in 1969.
- ItemCNBk1img197 - Great Northern Railway 574 at Minneapolis, Minnesota in 1969.
- ItemCNBk1img198 - Great Northern Railway 576
- 614 more...