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
- 48 more...
- ItemWBSGNDepot052 - Great Northern Depot at Larson, North Dakota, 1968
- ItemWBSGNDepot053 - Great Northern Depot at Lawton, North Dakota, 1968
- ItemWBSGNDepot054 - Great Northern Depot at Leeds, North Dakota, 1968
- ItemWBSGNDepot055 - Great Northern Depot at Lignite, North Dakota, 1969
- ItemWBSGNDepot056 - Great Northern Depot at Long Tree, North Dakota, 1968
- ItemWBSGNDepot057 - Great Northern Depot at Lorain, North Dakota, 1968
- ItemWBSGNDepot058 - Great Northern Depot Lunchroom at Minot, North Dakota, undated
- ItemWBSGNDepot059 - Great Northern Depot at Milton, North Dakota, undated
- ItemWBSGNDepot060 - Great Northern Depot at Michigan, North Dakota, 1968
- 36 more...