Columbia subject headings:
Music--16th century--Congresses.
Music--500-1400--Congresses.
Harvard subject headings:
Music--15th century--Congresses.
Music--16th century--Congresses.
Music--500-1400--Congresses.
Princeton subject headings:
Music--15th century--History and criticism--Congresses.
Music--16th century--History and criticism--Congresses.
Music--500-1400--History and criticism--Congresses.