Columbia subject headings:
Harvard subject headings:
Bianca Maria Visconti, Duchess of Milan, 1425-1468.
Filippo Maria Visconti, Duke of Milan, 1392-1447.
Milan (Italy)--History--To 1535.
Princeton subject headings:
Bianca Maria Visconti, duchess of Milan, 1425-1468.
Milan (Italy)--History--To 1535.
Nobility--Italy--Milan--Biography.
Sferza family.