Lives of the Most Eminent Painters Sculptors and Architects

"[...]di Casentino, as a person then much practised, to paint these vaults, with instructions that he should make there, as he did, together with the patriarchs, some prophets and the chiefs of the tribes, which were in all sixteen figures on a ground of ultramarine, to-day half spoilt, not to mention the other ornaments. Next, on the walls below and on the piers, he made many miracles of the Madonna, and other works that are recognized by the manner. This work finished, Jacopo returned to the Casentino, and after he had made many works in Pratovecchio, in Poppi, and other places in that valley, he betook himself to Arezzo, which then governed itself with the counsel of sixty of its richest and most honoured citizens, to whose care was committed the whole administration. There, in the principal chapel of the Vescovado, he painted a story of S. Martin, and in the Duomo Vecchio, now in[...]".