Columbia subject headings:
France--History--15th century.
Italy--History--15th century.
Nobility--France--History--To 1500.
Nobility--Italy--History--To 1500.
Harvard subject headings:
France--History--15th century.
Italy--History--15th century.
Nobility--France--History--To 1500.
Nobility--Italy--History--To 1500.
Princeton subject headings:
France--History--15th century.
Italy--History--15th century.
Nobility--France--History--To 1500.
Nobility--Italy--History--To 1500.