Columbia subject headings:
English poetry--18th century--History and criticism.
Melancholy in literature.
Sonnets, English--History and criticism.
Harvard subject headings:
English poetry--18th century--History and criticism
Melancholy in literature.
Sonnets, English--History and criticism.
Princeton subject headings:
English poetry--18th century--History and criticism.
Melancholy in literature.
Sonnets, English--History and criticism.