Columbia subject headings:
Church music--Catholic Church--18th century--Congresses.
Church music--Italian influences--Congresses.
Church music--Italy--18th century--Congresses.
Mozart, Wolfgang Amadeus, 1756-1791. Vocal music--Congresses.
Harvard subject headings:
Church music--Catholic Church--18th century--Congresses.
Church music--Italian influences--Congresses.
Church music--Italy--18th century--Congresses.
Mozart, Wolfgang Amadeus, 1756-1791. Vocal music--Congresses.
Princeton subject headings:
Church music--Catholic Church--18th century--Congresses.
Church music--Italian influences--Congresses.
Church music--Italy--18th century--Congresses.
Mozart, Wolfgang Amadeus, 1756-1791. Vocal music--Congresses.