Columbia subject headings:
Shakespeare, William, 1564-1616. Hamlet.
Harvard subject headings:
Hamlet (Legendary character)--Congresses.
Shakespeare, William, 1564-1616. Hamlet
Shakespeare, William, 1564-1616. Hamlet--Congresses.
Tragedy--Congresses.
Princeton subject headings:
Shakespeare, William, 1564-1616. Hamlet--Congresses.
Tragedy--Congresses.