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
- 116 more...
- ItemWWAGN_Depots117 - Great Northern Depot at Osseo, Minnesota, 1962 or later
- ItemWWAGN_Depots118 - Great Northern Depot at Oswego, Montana, undated
- ItemWWAGN_Depots119 - Great Northern Depot at PA Tower, North Dakota, undated
- ItemWWAGN_Depots120 - Great Northern Depot at Park Rapids, Minnesota, undated
- ItemWWAGN_Depots121 - Great Northern Depot at Pekin, North Dakota, 1956 or Later
- ItemWWAGN_Depots122 - Great Northern Depot at Perth, North Dakota, undated
- ItemWWAGN_Depots123 - Great Northern Depot at Pipestone, Minnesota, undated
- ItemWWAGN_Depots124 - Great Northern Depot at Poplar, Montana, undated
- ItemWWAGN_Depots125 - Great Northern Depot at Portage, Montana, 1965 or later
- 63 more...