Columbia subject headings:
Admirals--Great Britain--Biography.
Great Britain--History--Charles II, 1660-1685.
Great Britain--History--Puritan Revolution, 1642-1660.
Penn, William, Sir, 1621-1670.
Harvard subject headings:
Great Britain--History, Naval--Stuarts, 1603-1714.
Penn, William, Sir, 1621-1670.
Princeton subject headings: