Columbia subject headings:
Greene, Robert, 1558-1592.
Shakespeare, William, 1564-1616--Authorship.
Harvard subject headings:
Greene, Robert, 1558-1592--Authorship.
Greene, Robert, 1558-1592.
Shakespeare, William, 1564-1616--Authorship--Greene theory.
Shakespeare, William, 1564-1616--Authorship.
Princeton subject headings:
Greene, Robert, 1558-1592.
Shakespeare, William, 1564-1616--Authorship.