Columbia subject headings:
Lombardy (Italy)--History--To 1535.
Sforza, Caterina, 1463-1509.
Harvard subject headings:
Sforza, Caterina, 1463-1509.
Princeton subject headings:
Lombardy (Italy)--History--To 1535.
Nobility--Italy--Lombardy--Biography.
Sforza, Caterina, 1463-1509.