Columbia subject headings:
Armada, 1588.
Great Britain--History--Elizabeth, 1558-1603.
Harvard subject headings:
Armada, 1588.
Great Britain--History, Naval--Tudors, 1485-1603
Spain--History, Naval--16th century.
Princeton subject headings:
Armada, 1588.
Great Britain--History--Elizabeth, 1558-1603.