1911 6 1 INDY 500 Story of the Long Race From the Pits Many Sufferers From Tire Troubles article MOTOR AGE 8.75″×12″ page 12
1911 6 1 INDY 500 Story of the Long Race From the Pits Many Sufferers From Tire Troubles article MOTOR AGE 8.75″×12″ page 13
1911 6 1 INDY 500 Story of the Long Race From the Pits Many Sufferers From Tire Troubles article MOTOR AGE 8.75″×12″ page 15a