Railroad Archives Online
- CollectionD0255 - Casey Adams Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 46 more...
- ItemAdams GN - 015 R - Great Northern Diesel Locomotive 5700 at Minneapolis, Minnesota in 1942
- ItemAdams GN - 016 R - Great Northern Diesel Locomotive 5700 at Minneapolis, Minnesota in 1942
- ItemAdams GN - 017 R - Great Northern Diesel Locomotive 5900 at Minot, North Dakota in 1941
- ItemAdams GN - 018 R - Great Northern Diesel Locomotive 5900 at Minot, North Dakota in 1944
- ItemAdams GN - 019 R - Great Northern Diesel Locomotive 78 at Spokane, Washington in 1944
- ItemAdams GN - 020 R - Great Northern Diesel Locomotive 110 at Minot, North Dakota in 1944
- ItemAdams GN - 021 R - Great Northern Diesel Locomotive 124 at Spokane, Washington in 1944
- ItemAdams GN - 022 R - Great Northern Diesel Locomotive 145 at Havre,Montana in 1946
- ItemAdams GN - 023 R - Great Northern Diesel Locomotive 175 at Sioux City, Iowa in 1945
- 36 more...