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)
- 83 more...
- ItemCNBk3img182 - Great Northern Railway Caboose X-106 in Big Sky Blue color scheme.
- ItemCNBk3img183 - Great Northern Railway Caboose X-111 in Big Sky Blue color scheme at Wenatchee Appleyard, Washington.
- ItemCNBk3img185 - Great Northern Railway Caboose X-113 in Big Sky Blue color scheme at Seattle, Washington.
- ItemCNBk3img186 - Great Northern Railway Caboose X-114 in Big Sky Blue color scheme.
- ItemCNBk3img187 - Great Northern Railway Caboose X-126 in Big Sky Blue color scheme.
- ItemCNBk3img192 - Great Northern Railway Caboose X-147 in Big Sky Blue color scheme at Wenatchee, Washington.
- ItemCNBk3img193 - Great Northern Railway Caboose X-152 in Big Sky Blue color scheme.
- ItemCNBk3img194 - Great Northern Railway Caboose X-154 in Big Sky Blue color scheme.
- ItemCNBk3img196 - Great Northern Railway Caboose X-155 in Big Sky Blue color scheme.
- 54 more...