Columbia subject headings:
Music--France--20th century--History and criticism--Congresses.
Music--Religious aspects--France--History--20th century--Congresses.
Sacred vocal music--France--20th century--Congresses.
Harvard subject headings:
Music--France--20th century--History and criticism--Congresses.
Music--Religious aspects--France--History--20th century--Congresses.
Sacred vocal music--France--20th century--Congresses.
Princeton subject headings:
Music--France--20th century--History and criticism--Congresses.
Music--Religious aspects--France--History--20th century--Congresses.
Sacred vocal music--France--20th century--Congresses.