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
- 321 more...
- ItemNPDepot0322 - Northern Pacific Depot at Litchville, North Dakota, undated
- ItemNPDepot0323 - Northern Pacific Depot at Litchville, North Dakota, 1968
- ItemNPDepot0324 - Northern Pacific Depot at Little Falls, Minnesota, 1982
- ItemNPDepot0325 - Northern Pacific Depot at Little Falls, Minnesota, undated
- ItemNPDepot0326 - Northern Pacific Depot at Little Falls, Minnesota, undated
- ItemNPDepot0327 - Northern Pacific Depot at Little Falls, Minnesota, undated
- ItemNPDepot0328 - Northern Pacific Depot at Little Falls, Minnesota, undated
- ItemNPDepot0329 - Northern Pacific Depot at Little Falls, Minnesota, 1899
- ItemNPDepot0330 - Northern Pacific Depot at Little Falls, Minnesota, 1983
- 331 more...