Giorgio Vasari, Lives of the Most Excellent Painters… (1850)
“ While Giuliano was still occupied with his studies in design, and the blood of youth was still dancing in his veins, the Duke of Calabria, moved by the hatred which he bore to Lorenzo de’ Medici, brought his army to encamp before Castellana, proposing to occupy the territories of the Florentine Signoria, and, if he succeeded in his first enterprise, to attempt something of still greater magnitude. ”
