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)
- 107 more...
- ItemCNBk3img220 - Great Northern Railway Caboose X-233.
- ItemCNBk3img221 - Great Northern Railway Caboose X-240.
- ItemCNBk3img222 - Great Northern Railway Caboose X-236.
- ItemCNBk3img225 - Great Northern Railway Caboose X-240.
- ItemCNBk3img227 - Great Northern Railway Caboose X-242.
- ItemCNBk3img228 - Great Northern Railway Caboose X-244 at Seattle, Washington.
- ItemCNBk3img232 - Great Northern Railway Caboose X262.
- ItemCNBk3img233 - Great Northern Railway Caboose X263.
- ItemCNBk3img234 - Great Northern Railway Caboose X265.
- 30 more...