Columbia subject headings:
Music--15th century--History and criticism--Congresses.
Music--16th century--History and criticism--Congresses.
Musicians--Netherlands.
Wert, Giaches de, 1535-1596--Congresses.
Harvard subject headings:
Music--15th century--History and criticism--Congresses.
Music--16th century--History and criticism--Congresses.
Musicians--Netherlands.
Wert, Giaches de, 1535-1596--Congresses.
Princeton subject headings:
Music--Belgium--Congresses.
Music--Netherlands--Congresses.
Wert, Giaches de, 1535-1596--Criticism and interpretation--Congresses.