Columbia subject headings:
Andalusia (Spain)--History.
Portugal--History--John IV, 1640-1656.
Spain--History--Philip IV, 1621-1665.
Harvard subject headings:
Andalusia (Spain)--History.
Portugal--History--John IV, 1640-1656.
Spain--History--Philip IV, 1621-1665.
Princeton subject headings:
Andalusia (Spain)--History.
Spain--History--Philip IV, 1621-1665.