Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth 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
- 40 more...
- ItemWWAGN_Depots041 - Great Northern Depot at Chokio, Minnesota, 1956 or later
- ItemWWAGN_Depots042 - Great Northern Depot at Choteau, Montana, undated
- ItemWWAGN_Depots043 - Great Northern Depot at Clearwater, Minnesota, undated
- ItemWWAGN_Depots044 - Great Northern Depot at Clifford, North Dakota, undated
- ItemWWAGN_Depots045 - Great Northern Depot at Climax, Minnesota, 1964 or later
- ItemWWAGN_Depots046 - Great Northern Depot at Darlton, Minnesota, undated
- ItemWWAGN_Depots047 - Great Northern Depot at Devils Lake, North Dakota, undated
- ItemWWAGN_Depots048 - Great Northern Depot at Duquette, Minnesota, undated
- ItemWWAGN_Depots049 - Great Northern Depot at Dutton, Montana, undated
- 139 more...