Railroad Archives Online
- CollectionD0335.2 - Northern Pacific Railway Historical Association Depot Photograph Collection
- Seriesex: 001 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 502 more...
- ItemNPDepot0503 - The Northern Pacific Depot at Seattle, Washington, circa 1960
- ItemNPDepot0504 - The Northern Pacific Depot at Seattle, Washington, circa 1910
- ItemNPDepot0505 - The Northern Pacific Depot at Seattle, Washington, circa 1945
- ItemNPDepot0506 - The Northern Pacific Depot at Seattle, Washington, circa 2000
- ItemNPDepot0507 - The Northern Pacific Depot at Seattle, Washington, circa 2015
- ItemNPDepot0508 - The Northern Pacific Depot at Sedro-Woolley, Washington, 1958
- ItemNPDepot0509 - The Northern Pacific Depot at Sedro-Woolley, Washington, 1899
- ItemNPDepot0510 - The Northern Pacific Depot at Selah, Washington, circa 1968
- ItemNPDepot0511 - The Northern Pacific Depot at Sheldon, North Dakota, 1968
- 150 more...