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)
- 131 more...
- ItemCNBk3img253 - Great Northern Railway Caboose X320.
- ItemCNBk3img254 - Great Northern Railway Caboose X184.
- ItemCNBk3img255 - Great Northern Railway Caboose X419.
- ItemCNBk3img256 - Great Northern Railway Caboose X-307 at Seattle, Washington.
- ItemCNBk3img257 - Great Northern Railway Caboose X180 a transfer caboose made from a locomotive frame at Seattle, Washington.
- ItemCNBk3img259 - Great Northern Railway Caboose X181.
- ItemCNBk3img260 - Great Northern Railway Caboose X320.
- ItemCNBk3img261 - Great Northern Railway Caboose X639.
- ItemCNBk3img262 - Great Northern Railway Caboose X-639.
- 6 more...