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
- 471 more...
- ItemNPDepot0472 - Northern Pacific Depot at Ritzville, Washington, undated
- ItemNPDepot0473 - Northern Pacific Depot at Ritzville, Washington, undated
- ItemNPDepot0474 - Northern Pacific Depot at Ritzville, Washington, undated
- ItemNPDepot0475 - Northern Pacific Depot at Ritzville, Washington, undated
- ItemNPDepot0476 - Northern Pacific Depot at Robinson, North Dakota, 1972
- ItemNPDepot0477 - Northern Pacific Depot at Rochester, Washington, circa 1910
- ItemNPDepot0478 - Northern Pacific Depot at Rosalia, Washington, 1976
- ItemNPDepot0479 - Northern Pacific Depot at Rowan, Washington, circa 1960
- ItemNPDepot0480 - Northern Pacific Depot at Roy, Washington, circa 1910
- 181 more...