Columbia subject headings:
Armada, 1588.
Great Britain--History--Elizabeth, 1558-1603.
Spain--History--Philip II, 1556-1598.
Harvard subject headings:
Armada, 1588.
Great Britain--History--Elizabeth, 1558-1603.
Spain--History--Philip II, 1556-1598.
Princeton subject headings:
Armada, 1588.
Great Britain--History--Elizabeth, 1558-1603.
Spain--History--Philip II, 1556-1598.