Columbia subject headings:
Great Britain--History, Naval--Tudors, 1485-1603.
Great Britain--History--Elizabeth, 1558-1603.
Harvard subject headings:
Great Britain--History, Naval--Tudors, 1485-1603
Great Britain--History--Elizabeth, 1558-1603.
Princeton subject headings:
Great Britain--History, Naval--Tudors, 1485-1603.
Great Britain--History--Elizabeth, 1558-1603.