Columbia subject headings:
Harvard subject headings:
Beatrice, di Tenda, Duchess, consort of Filippo Maria Visconti, Duke of Milan, 1372-1418--Drama.
Operas
Princeton subject headings:
Beatrice, di Tenda, Duchess, consort of Filippo Maria Visconti, Duke of Milan, 1372-1418--Drama.
Operas.