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
- 18 more...
- ItemNPDepot0019 - Northern Pacific Depot at Arrow, Idaho, circa 1950
- ItemNPDepot0020 - Northern Pacific Depot at Ashland, Wisconsin, circa 1910
- ItemNPDepot0021 - Northern Pacific Depot at Ashland, Wisconsin, 1975
- ItemNPDepot0022 - Northern Pacific Depot at Ashland, Wisconsin, undated
- ItemNPDepot0023 - Northern Pacific Depot at Athena, Oregon, circa 1965
- ItemNPDepot0024 - Northern Pacific Depot at Athol, Idaho, undated
- ItemNPDepot0025 - Northern Pacific Depot at Attalia, Washington, circa 1970
- ItemNPDepot0026 - Northern Pacific Depot at Auburn, Washington, circa 1910
- ItemNPDepot0027 - Northern Pacific Depot at Auburn, Washington, circa 1920
- 634 more...