Dana Hunsinger Benbow Mari Hulman George, matriarch of Indianapolis Motor Speedway, dies at 83 indystar.com 2018.11.3 ^ ““サンボの王様”ビクトル古賀氏が死去、83歳”. Sponichi
Shell Film (Royal Dutch Shell). Bill Mason (director) (1972). The Golden Age (1919-1929) - Part Two of a History of Motor Racing (英語). Shell Film (Royal