Columbia subject headings:
Ludovico Sforza, Duke of Milan, 1452-1508.
Milan (Italy)--History--To 1535.
Milan (Italy)--Kings and rulers--Biography--Early works to 1800.
Harvard subject headings:
Ludovico Sforza, Duke of Milan, 1452-1508
Milan (Italy)--History--To 1535.
Milan (Italy)--Kings and rulers--Biography--Early works to 1800.
Milan (Italy)--Kings and rulers--Biography.
Princeton subject headings:
Ludovico Sforza, Duke of Milan, 1452-1508.
Milan (Italy)--History--To 1535.
Milan (Italy)--Kings and rulers--Biography.