1912 6 6 Indy 500 Getting Speed From Small Engines article MOTOR AGE 8.5″×12″ page 16
1912 6 6 Indy 500 NATIONAL Five Century Race to Dawson National article MOTOR AGE 8.5″×12″ page 11
1912 6 6 Indy 500 NATIONAL Five Century Race to Dawson National article MOTOR AGE 8.5″×12″ page 5