Columbia subject headings:
Shakespeare, William, 1564-1616--Characters.
Shakespeare, William, 1564-1616--Criticism and interpretation.
Shakespeare, William, 1564-1616. Hamlet.
Harvard subject headings:
Shakespeare, William, 1564-1616--Characters.
Shakespeare, William, 1564-1616--Criticism and interpretation.
Shakespeare, William, 1564-1616. Hamlet
Princeton subject headings: