Columbia subject headings:
Essex, Robert Devereux, Earl of, 1565-1601--In literature.
Harvard subject headings:
Essex, Robert Devereux, Earl of, 1565-1601--In literature.
Princeton subject headings:
Drama.
Essex, Robert Devereux, Earl of, 1565-1601--Drama.
Essex, Robert Devereux, Earl of, 1565-1601--Fiction.
Fiction.