. "Wethey H.E., The Paintings of Titian, 3. Phaidon, Londra, 1969-1975" . . . . . . . . . . . . . . . . . "The Paintings of Titian" . . . . . . . . . . . . . . . . . . . . . . . . "3" . . . . . . . . . . . . . . . . . . . . "bibliografia specifica" . . . . . . . . . . . . . . . . . . . . . . . . "specific bibliography" .