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 3001 - Steam Locomotives
- 75 more...
- ItemCRAGNS227 - Great Northern Steam Locomotive 949 at Hillyard, Washington in 1932
- ItemCRAGNS228 - Great Northern Steam Locomotive 1326 at Butte, Montana in 1932
- ItemCRAGNS229 - Great Northern Steam Locomotive 209 at Saint Cloud, Minnesota in 1931
- ItemCRAGNS230 - Great Northern Steam Locomotive 194 at Williston, North Dakota in 1940
- ItemCRAGNS231 - Great Northern Steam Locomotive 1381, undated
- ItemCRAGNS232 - Great Northern Steam Locomotive 1708, undated
- ItemCRAGNS233 - Great Northern Steam Locomotive 1704, undated
- ItemCRAGNS234 - Great Northern Steam Locomotive 49, undated
- ItemCRAGNS235 - Great Northern Steam Locomotive 3020, undated
- 113 more...