Columbia subject headings:
Marchetti, Filippo, 1831-1902.
Opera--Italy--19th century.
Harvard subject headings:
Marchetti, Filippo, 1831-1902
Marchetti, Filippo, 1831-1902--Congresses.
Opera--Italy--19th century
Opera--Italy--19th century--Congresses.
Princeton subject headings:
Marchetti, Filippo, 1931-1902--Criticism and interpretation.
Opera--Italy--19th century.
Shakespeare, William, 1564-1616--Adaptations--History and criticism.