Columbia subject headings:
Shakespeare, William, 1564-1616--Criticism and interpretation.
Harvard subject headings:
Ghosts in literature
Psychoanalysis and literature.
Shakespeare, William, 1564-1616--Authorship.
Shakespeare, William, 1564-1616--Characters--Ghosts.
Shakespeare, William, 1564-1616--Criticism and interpretation.
Princeton subject headings:
Shakespeare, William, 1564-1616--Criticism and interpretation.