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
- 505 more...
- ItemNPDepot0506 - Northern Pacific Depot at Seattle, Washington, circa 2000
- ItemNPDepot0507 - Northern Pacific Depot at Seattle, Washington, circa 2015
- ItemNPDepot0508 - Northern Pacific Depot at Sedro-Woolley, Washington, 1958
- ItemNPDepot0509 - Northern Pacific Depot at Sedro-Woolley, Washington, 1899
- ItemNPDepot0510 - Northern Pacific Depot at Selah, Washington, circa 1968
- ItemNPDepot0511 - Northern Pacific Depot at Sheldon, North Dakota, 1968
- ItemNPDepot0512 - Northern Pacific Depot at Shelton, Washington, 1960
- ItemNPDepot0513 - Northern Pacific Depot at Sheridan, Montana, undated
- ItemNPDepot0514 - Northern Pacific Depot at Sheridan, Montana, undated
- 147 more...