By Leslie Ragan, 1941.
1941 New York Central Railroad Empire State Express Art Deco Vintage Ad
Rivarossi H0 6557 Empire State Express "REUBEN E FENTON" 1940 Passenger Coach
N.Y. Central Empire State Express & Diesel Engine stamp
Guide to Tourist Railroads Museums 1998 Empire State Railway TRAINS Magazine
New York Central Steam Power In the Empire State (book)
Inter-State Express, Victorian Railways, Australia - F. Moore, Print 1912