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
- 16 more...
- ItemCRAGND206 - Great Northern Diesel Locomotive 99 in Washington at Seattle, Washington, 1965
- ItemCRAGND207 - Great Northern Diesel Locomotive 350 Leading in North Dakota, 1948
- ItemCRAGND208 - Great Northern Diesel Locomotive 550 in North Dakota, 1961
- ItemCRAGND209 - Great Northern Diesel Locomotive 367-A in Seattle, Washington, 1968
- ItemCRAGND210 - Great Northern Diesel Locomotives 126 and 16, undated
- ItemCRAGND211 - Great Northern Diesel Locomotive 320 in Washington, 1966
- 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
- 66 more...