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
- 287 more...
- ItemNPDepot0288 - The Northern Pacific Depot at Kelso, Washington, undated
- ItemNPDepot0289 - The Northern Pacific Depot at Kelso, Washington, circa 1912
- ItemNPDepot0290 - The Northern Pacific Depot at Kendrick, Idaho, undated
- ItemNPDepot0291 - The Northern Pacific Depot at Kennedy, Washington, circa 1920
- ItemNPDepot0292 - The Northern Pacific Depot at Kennewick, Washington, circa 2000
- ItemNPDepot0293 - The Northern Pacific Depot at Kent, Washington, undated
- ItemNPDepot0294 - The Northern Pacific Depot at Kent, Washington, 1929
- ItemNPDepot0295 - The Northern Pacific Depot at Ketron, Washington, 1929
- ItemNPDepot0296 - The Northern Pacific Depot at Kirkland, Washington, circa 1968
- 365 more...