from the Academia Barilla website: "...a letter written by Costanzo Felici (1525 ca.-1585), a doctor from Le Marche, to Ulisse Aldrovandi, a master of the naturalists during the time. The letter, called Dell'insalata e piante che in qualunque modo vengono per cibo dell'uomo, (On lettuce and plants that are consumed by man in one way or another) is dated March 10, 1572. The letter was written to explain to Aldrovandi the significance of salad greens". The site has a Digital Gastronomic Library with information and scanned text from works on food and cooking from as far back as the 4th century...