Columbia subject headings:
Alfonso I d'Este, Duke of Ferrara, 1476-1534.
Titian, approximately 1488-1576. Bacchus and Ariadne.
Harvard subject headings:
Alfonso I, d'Este, duke of Ferrara, 1476-1534.
Titian, approximately 1488-1576. Bacchus and Ariadne.
Princeton subject headings:
Alfonso I d'Este, Duke of Ferrara, 1476-1534.
Titian, approximately 1488-1576. Bacchus and Ariadne.