Columbia subject headings:
Human body in literature.
Literature, Modern--History and criticism.
Sonnet.
Harvard subject headings:
Human body in literature.
Petrarca, Francesco, 1304-1374--Criticism and interpretation.
Poetry, Modern--History and criticism
Sonnet.
Sonnets--History and criticism.
Princeton subject headings:
Human body in literature.
Literature, Modern--History and criticism.
Sonnet.