1912 2 21 INTER-STATE The only Car Built with a Faultless and Complete Electric System for Starting, Ignition, and Lighting Inter-State Model “40” Inter-State Automobile Co. Muncie, Indiana THE HORSELESS AGE Vol. 29, No. 8 February 21, 1912 9″x12″ page 31
1912 3 7 INTER-STATE The only Car Built with a Faultless and Complete Electric System for Starting, Ignition, and Lighting Inter-State Model “40” Inter-State Automobile Co. Muncie, Indiana LIFE March 7, 1912
1912 4 4 INTER-STATE The Only Complete Car Six Models 40 & 50 H.P. Fully Equipped Inter-State Automobile Co. Muncie, Indiana THE AUTOMOBILE April 4, 1912 page 84