Columbia subject headings:
Charles IX, King of France, 1550-1574.
France--Foreign relations--Spain.
France--History--Charles IX, 1560-1574.
Spain--Foreign relations--France.
Spain--History--Philip II, 1556-1598.
Harvard subject headings:
Charles IX, King of France, 1550-1574
France--Foreign relations--Spain.
France--History--Charles IX, 1560-1574.
Spain--Foreign relations--France.
Princeton subject headings:
Charles IX, King of France, 1550-1574.
France--Foreign relations--Spain.
France--History--Charles IX, 1560-1574.
Spain--Foreign relations--France.