1921 5 26 Straight-8 Race Engine Popular by B.M. Ikert MOTOR AGE
1921 5 26 Straight-8 Race Engine Popular by B.M. Ikert article MOTOR AGE 8.5″×10.75″ page 17
1921 5 26 Straight-8 Race Engine Popular by B.M. Ikert article MOTOR AGE 8.5″×10.75″ page 18