Giorgio Vasari, Lives of the Most Excellent Painters… (1850)
“ While Rosso was occupied with this work he had his abode in the Borgo de’ Tintori, in a house the windows of which looked into the gardens belonging to the monks of Santa Croce. The painter had at that time a monkey in whose pranks he found great pleasure, and who had the intelligence rather of a man than of a mere animal; for this cause he was held in the utmost affection by Rosso, who loved him as himself, and, availing himself of the extraordinary cleverness exhibited by the creature, he employed his monkey in every kind of service. ”
