Columbia subject headings:
Shakespeare, William, 1564-1616--Criticism and interpretation--Congresses.
Shakespeare, William, 1564-1616. Sonnets.
Harvard subject headings:
Shakespeare, William, 1564-1616. Sonnets--Congresses.
Sonnets, English--History and criticism--Congresses.
Princeton subject headings:
Shakespeare, William, 1564-1616. Sonnets--Congresses.
Sonnets, English--History and criticism--Congresses.