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
- 189 more...
- ItemNPDepot0190 - Northern Pacific Depot at Elma, Washington, 1968
- ItemNPDepot0191 - Northern Pacific Depot at Eltopia, Washington, undated
- ItemNPDepot0192 - Northern Pacific Depot at Embden, North Dakota, 1968
- ItemNPDepot0193 - Northern Pacific Depot at Emerson Junction, Manitoba, undated
- ItemNPDepot0194 - Northern Pacific Depot at Englevale, North Dakota, circa 1922
- ItemNPDepot0195 - Northern Pacific Depot at Enumclaw, Washington, circa 1955
- ItemNPDepot0196 - Northern Pacific Depot at Enumclaw, Washington, 1966
- ItemNPDepot0197 - Northern Pacific Depot at Esmond, North Dakota, circa 1920
- ItemNPDepot0198 - Northern Pacific Depot at Everett, Washington, circa 1968
- 463 more...