Columbia subject headings:
Church music--Italy--Congresses.
Music--Italy--15th century--History and criticism--Congresses.
Part songs, Italian--Congresses.
Harvard subject headings:
Church music--Italy--Congresses.
Music--Italy--15th century--History and criticism--Congresses.
Part songs, Italian--Congresses.
Princeton subject headings:
Church music--Italy--Congresses.
Music--Italy--15th century--History and criticism--Congresses.
Part songs, Italian--Congresses.