Jon Bertelli: unique Maserati M2 scooter historical information & photographs.
Aspes Navaho A fine collection of Aspes catalogues, with simply masses of technical information and magazine articles of the period.
Franco Bonadonna, historical information on the Itom, with images.
Colin Jones, Itom images and information (formerly at web.onetel.com)
Aprilia Australia supplied a number of factory images of earlier Aprilia motorcycles.
ollearo.com has an excellent site on the marque, written by a member of the family.
Italian translations (word only, not phrase)
by Oxford University