"A history of painting in Italy: Umbria, Florence and Siena from the 2nd to the 16the century" . . . . . . "Crowe J.A./ Cavalcaselle G.B., A history of painting in Italy: Umbria, Florence and Siena from the 2nd to the 16the century, 6. John Murray, Londra, 1903-1914" . . "specific bibliography" . . . . "6" . . "bibliografia specifica" . . . .