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
- 68 more...
- ItemWBSGNDepot072 - Great Northern Depot at Osnabrook, North Dakota, undated
- ItemWBSGNDepot073 - Great Northern Depot at Pekin, North Dakota, 1968
- ItemWBSGNDepot074 - Great Northern Depot at Palermo, North Dakota, 1968
- ItemWBSGNDepot075 - Great Northern Depot at Page, North Dakota, 1968
- ItemWBSGNDepot076 - Great Northern Depot at Penn, North Dakota, 1968
- ItemWBSGNDepot077 - Great Northern Depot at Petersburg, North Dakota, 1968
- ItemWBSGNDepot078 - Great Northern Depot at Pillsbury, North Dakota, 1968
- ItemWBSGNDepot079 - Great Northern Depot at Pisek, North Dakota, undated
- ItemWBSGNDepot080 - Great Northern Depot at Pleasant Lake, North Dakota, 1968
- 16 more...