Columbia subject headings:
Harvard subject headings:
Cosimo I, Grand-Duke of Tuscany, 1519-1574
Florence (Italy)--History--1421-1737
Florence (Italy)--Kings and rulers--Biography.
Medici, House of.
Tuscany (Italy)--History--1434-1737.
Tuscany (Italy)--Kings and rulers--Biography.
Princeton subject headings:
Cosimo I, Grand-Duke of Tuscany, 1519-1574.
Florence (Italy)--History--1421-1737.
Nobility--Italy--Biography.
Tuscany (Italy)--History.