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
- 524 more...
- ItemNPDepot0525 - The Northern Pacific Depot at Spokane, Washington, circa 1914
- ItemNPDepot0526 - The Northern Pacific Depot at Spokane, Washington, circa 1918
- ItemNPDepot0527 - The Northern Pacific Depot at Spokane, Washington, circa 1920
- ItemNPDepot0528 - The Northern Pacific Depot at Sprague, Washington, undated
- ItemNPDepot0529 - The Northern Pacific Depot at Sprague, Washington, circa 1950
- ItemNPDepot0530 - The Northern Pacific Depot at Sprague, Washington, undated
- ItemNPDepot0531 - The Northern Pacific Depot at St Anthony Park, Minnesota, undated
- ItemNPDepot0532 - The Northern Pacific Depot at St Cloud, Minnesota, undated
- ItemNPDepot0533 - The Northern Pacific Depot at St Cloud, Minnesota, undated
- 128 more...