The St. Louis Steam Gathering – The 1990 N.R.H.S. Convention
NKP - Lake States Railway Historical Association
New York, Chicago & St. Louis Railroad- Nickel Plate Road,…
Nickel Plate Road (Railroad)
NKP - Lake States Railway Historical Association
NPGallery Asset Detail
Railway Preservation News • View topic - OC Buys NKP 763
Nickel Plate Road (Railroad)
New York, Chicago, and St Louis Railroad - Nickel Plate Road stock certificates
Locomotive number 501 and tender, Chicago & Alton railroad] - LOC's Public Domain Archive Public Domain Search
NKP - Lake States Railway Historical Association