Columbia subject headings:
Lucca (Italy)--History.
Milan (Italy)--History--To 1535.
Visconti family.
Harvard subject headings:
Lucca (Italy)--History.
Milan (Italy)--History--To 1535.
Visconti family.
Princeton subject headings:
Lucca (Italy)--History.
Milan (Italy)--History--To 1535.
Visconti family.