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)
- 34 more...
- ItemCNBk3img212 - Great Northern Railway Caboose X-221.
- ItemCNBk3img215 - Great Northern Railway Caboose X-232 at Great Falls, Montana in 1971.
- ItemCNBk3img224 - Great Northern Railway Caboose X-234 at Great Falls, Montana in 1971.
- ItemCNBk3img226 - Great Northern Railway Caboose X-241 at Seattle, Washington in 1971.
- ItemCNBk3img231 - Great Northern Railway Caboose X-260 at Wenatchee, Washington in 1971.
- ItemCNBk3img238 - Great Northern Railway Caboose X-286 at Great Falls, Montana in 1971.
- ItemCNBk3img241 - Great Northern Railway Caboose X-288 at North Bend, Washington in 1971.
- ItemCNBk3img246 - Great Northern Railway Caboose X303 at Skykomish, Washington in 1971.
- ItemCNBk3img277 - Great Northern Railway Caboose X419 at Glasgow, Montana in 1971.
- 103 more...