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
- 525 more...
- ItemNPDepot0526 - Northern Pacific Depot at Spokane, Washington, circa 1918
- ItemNPDepot0527 - Northern Pacific Depot at Spokane, Washington, circa 1920
- ItemNPDepot0528 - Northern Pacific Depot at Sprague, Washington, undated
- ItemNPDepot0529 - Northern Pacific Depot at Sprague, Washington, circa 1950
- ItemNPDepot0530 - Northern Pacific Depot at Sprague, Washington, undated
- ItemNPDepot0531 - Northern Pacific Depot at St Anthony Park, Minnesota, undated
- ItemNPDepot0532 - Northern Pacific Depot at St Cloud, Minnesota, undated
- ItemNPDepot0533 - Northern Pacific Depot at St Cloud, Minnesota, undated
- ItemNPDepot0534 - Northern Pacific Depot at St Cloud, Minnesota, undated
- 127 more...