Railroad Archives Online
- CollectionD0335.2 - Northern Pacific Railway Historical Association Depot Photograph Collection
- Seriesex: 001 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 474 more...
- ItemNPDepot0475 - The Northern Pacific Depot at Ritzville, Washington, undated
- ItemNPDepot0476 - The Northern Pacific Depot at Robinson, North Dakota, 1972
- ItemNPDepot0477 - The Northern Pacific Depot at Rochester, Washington, circa 1910
- ItemNPDepot0478 - The Northern Pacific Depot at Rosalia, Washington, 1976
- ItemNPDepot0479 - The Northern Pacific Depot at Rowan, Washington, circa 1960
- ItemNPDepot0480 - The Northern Pacific Depot at Roy, Washington, circa 1910
- ItemNPDepot0481 - The Northern Pacific Depot at Rutledge, Minnesota, 1955
- ItemNPDepot0482 - The Northern Pacific Depot at Saint Paul, Minnesota, circa 1925
- ItemNPDepot0483 - The Northern Pacific Depot at Saint Paul, Minnesota, circa 1900
- 178 more...