Railroad Archives Online
- CollectionD0491 - Warner Swarner Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 85 more...
- ItemWBSGNDepot089 - Great Northern Depot at Naples, Idaho, 1968
- ItemWBSGNDepot093 - Great Northern Depot at Devon, Montana (offsite), 2011
- ItemWBSGNDepot094 - Great Northern Depot at Helena, Montana, 2014
- ItemWBSGNDepot095 - Great Northern Depot at Helena, Montana, 2014
- ItemWBSGNDepot097 - Great Northern Depot at Butte, Montana, 2014
- ItemWBSGNDepot098 - Great Northern Depot at Silver, Montana (offsite), 2014
- ItemWBSGNDepot099 - Great Northern Depot at Silver, Montana (offsite), 2014
- ItemWBSGNDepot100 - Great Northern Depot at Silver, Montana (offsite), 2014