Columbia subject headings:
Harvard subject headings:
Italian newspapers--History--19th century--Congresses.
Music--Italy--19th century--Congresses.
Musical criticism--Italy--History--19th century--Congresses.
Princeton subject headings:
Italian newspapers--History--19th century--Congresses.
Music--Italy--19th century--History and criticism--Congresses.
Musical criticism--Italy--History--19th century--Congresses.