Railroad Archives Online
- CollectionD0335.2 - Northern Pacific Railway Historical Association Depot Photograph Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 414 more...
- ItemNPDepot0415 - Northern Pacific Depot at Nisswa, Minnesota, undated
- ItemNPDepot0416 - Northern Pacific Depot at Nome, North Dakota, 1968
- ItemNPDepot0417 - Northern Pacific Depot at Nome, North Dakota, 1968
- ItemNPDepot0418 - Northern Pacific Depot at Nooksack, Washington, circa 1910
- ItemNPDepot0419 - Northern Pacific Depot at Noxon, Montana, undated
- ItemNPDepot0420 - Northern Pacific Depot at Oakes, North Dakota, 1987
- ItemNPDepot0421 - Northern Pacific Depot at Oakes, North Dakota, 1987
- ItemNPDepot0422 - Northern Pacific Depot at Oakes, North Dakota, 1987
- ItemNPDepot0423 - Northern Pacific Depot at Oakesdale, Washington, 1976
- 238 more...