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
- 22 more...
- ItemCRAGND212 - Great Northern Diesel Locomotive 182, 1946
- ItemCRAGND213 - Great Northern Diesel Locomotive 404 in Montana, 1944
- ItemCRAGND214 - Great Northern Diesel Locomotive 110 in North Dakota, 1946
- ItemCRAGND215 - Great Northern Diesel Locomotive 404 in Washington, 1946
- ItemCRAGND216 - Great Northern Diesel Locomotive 101 in North Dakota, 1946
- ItemCRAGND217 - Great Northern Diesel Locomotive 178 in North Dakota, 1946
- ItemCRAGND218 - Great Northern Diesel Locomotive 179 in North Dakota, 1946
- ItemCRAGND219 - Great Northern Diesel Locomotive 229 in New York, 1993
- ItemCRAGND220 - Great Northern Diesel Locomotive 5101, 1938
- 60 more...