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
- 424 more...
- ItemNPDepot0425 - The Northern Pacific Depot at Olympia, Washington, 1953
- ItemNPDepot0426 - The Northern Pacific Depot at Olympia, Washington, 1949
- ItemNPDepot0427 - The Northern Pacific Depot at Olympia, Washington, circa 1968
- ItemNPDepot0428 - The Northern Pacific Depot at Oriska, North Dakota, undated
- ItemNPDepot0429 - The Northern Pacific Depot at Oriska, North Dakota, 1968
- ItemNPDepot0430 - The Northern Pacific Depot at Palouse, Washington, 1976
- ItemNPDepot0431 - The Northern Pacific Depot at Palouse, Washington, 1976
- ItemNPDepot0432 - The Northern Pacific Depot at Paradise, Montana, 1972
- ItemNPDepot0433 - The Northern Pacific Depot at Paradise, Montana, undated
- 228 more...