1912 6 1 NATIONAL Indy 500 Joe Dawson winning check #525393 in 2018 Indy 500 IMS photo
1912 6 12 NATIONAL Indy 500 THE CAR, THE DRIVER AND THE PRIZE $20,000 in 1912 = $475,597 in 2013 THE HORSELESS AGE June 12, 1912 University of Minnesota Library 8.75″x11.75″ page 1024
1912 6 13 NATIONAL Inter-NATIONAL Champion National “40,” Indianapolis MOTOR AGE June 13, 1912 8.5″x12″ page 82