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
- 639 more...
- ItemNPDepot0641 - Northern Pacific Depot at Winlock, Washington, undated
- ItemNPDepot0642 - Northern Pacific Depot at Woodinville, Washington, 1939
- ItemNPDepot0643 - Northern Pacific Depot at Woodinville, Washington, 1977
- ItemNPDepot0644 - Northern Pacific Depot at Woodland, Washington, undated
- ItemNPDepot0645 - Northern Pacific Depot at Woodworth, North Dakota, 1972
- ItemNPDepot0646 - Northern Pacific Depot at Wyndmere, North Dakota, 1968
- ItemNPDepot0647 - Northern Pacific Depot at Wyoming, Minnesota, 1948
- ItemNPDepot0648 - Northern Pacific Depot at Yacolt, Washington, circa 1910
- ItemNPDepot0649 - Northern Pacific Depot at Yakima, Washington, undated
- 13 more...