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)
- 53 more...
- ItemCNBk3img134 - Great Northern Railway Caboose X-4 at Minneapolis, Minnesota.
- ItemCNBk3img140 - Great Northern Railway Caboose X-18.
- ItemCNBk3img141 - Great Northern Railway Caboose X-18.
- ItemCNBk3img142 - Great Northern Railway Caboose X-18.
- ItemCNBk3img143 - Caboose X-20, blocked up on Trailer On Flat Car (TOFC) car. No trucks on caboose
- ItemCNBk3img146 - Great Northern Railway Caboose X-24.
- ItemCNBk3img147 - Great Northern Railway Caboose X-24.
- ItemCNBk3img148 - Great Northern Railway Caboose X-24.
- ItemCNBk3img149 - Great Northern Railway Caboose X-24.
- 84 more...