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
- 79 more...
- ItemNPDepot0080 - Northern Pacific Depot at Brainerd, Minnesota, 2003
- ItemNPDepot0081 - Northern Pacific Depot at Brainerd, Minnesota, undated
- ItemNPDepot0082 - Northern Pacific Depot at Brainerd, Minnesota, circa 1920
- ItemNPDepot0083 - Northern Pacific Depot at Breckenridge, Minnesota, 1968
- ItemNPDepot0084 - Northern Pacific Depot at Bridger, Montana, circa 1900
- ItemNPDepot0085 - Northern Pacific Depot at Bridger, Montana, 1910
- ItemNPDepot0086 - Northern Pacific Depot at Bristol, Washington, circa 1920
- ItemNPDepot0087 - Northern Pacific Depot at Buchanan, North Dakota, 1972
- ItemNPDepot0088 - Northern Pacific Depot at Buckley, Washington, circa 1910
- 573 more...