Columbia subject headings:
Opera--Italy--19th century.
Paër, Ferdinando, 1771-1839--Criticism and interpretation.
Harvard subject headings:
Opera--Italy--19th century
Paër, Ferdinando, 1771-1839--Criticism and interpretation.
Princeton subject headings:
Opera--Germany.
Opera--Italy--19th century.
Paër, Ferdinando, 1771-1839--Criticism and interpretation.