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
- 381 more...
- ItemNPDepot0382 - Northern Pacific Depot at Minneapolis, Minnesota, circa 1920
- ItemNPDepot0383 - Northern Pacific Depot at Minneapolis, Minnesota, circa 1969
- ItemNPDepot0384 - Northern Pacific Depot at Missoula, Montana, undated
- ItemNPDepot0385 - Northern Pacific Depot at Missoula, Montana, circa 1890
- ItemNPDepot0386 - Northern Pacific Depot at Missoula, Montana, circa 1890
- ItemNPDepot0387 - Northern Pacific Depot at Missoula, Montana, undated
- ItemNPDepot0388 - Northern Pacific Depot at Missoula, Montana, undated
- ItemNPDepot0389 - Northern Pacific Depot at Missoula, Montana, undated
- ItemNPDepot0390 - Northern Pacific Depot at Missoula, Montana, undated
- 271 more...