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 3006 - Cabooses (Railroads)
- 65 more...
- ItemCNBk3img154 - Great Northern Railway Caboose X-24 at Seattle, Washington.
- ItemCNBk3img155 - Great Northern Railway Caboose X-49 at Sioux Falls, South Dakota.
- ItemCNBk3img157 - Great Northern Railway Caboose X-53.
- ItemCNBk3img161 - Great Northern Railway Caboose X-60.
- ItemCNBk3img162 - Great Northern Railway Caboose X-64 at Wenatchee Appleyard, Washington.
- ItemCNBk3img163 - Great Northern Railway Caboose X-67.
- ItemCNBk3img166 - Great Northern Railway Caboose X-771.
- ItemCNBk3img167 - Great Northern Railway Caboose X-81.
- ItemCNBk3img168 - Great Northern Railway Caboose X-80.
- 72 more...