1915 12 STUTZ WORLDS CHAMPIONS Stutz Speedsters, Roadsters and Touring Models Prices $200 to $2550 depending on style of body Stutz Motor Car Co. Indianapolis, Indiana MoToR December, 1915 page 149
1915 6 3 STROMBERG STUTZ is First American Car in 1915 Indy 500 ad THE AUTOMOBILE 8.5″×11.5″ page 91
1915 7 STUTZ Consistency 3rd, 4th, and 7th at Indianapolis, May 31st 1915 First American Car to Finish Stutz Motor Car Co. Indianapolis, Indiana MoToR July, 1915 page 24