Racing Porsche: 1948-1971 (Autosprint, 1971) 19.12.2015 2 758 ELVA, Porsche 356, Porsche 550, Porsche 718, Porsche 804, Porsche 904, Porsche 906, Porsche 907, Porsche 908, Porsche 909, Porsche 910, Porsche 917