Columbia subject headings:
Harvard subject headings:
Bach, Johann Sebastian, 1685-1750--Criticism and interpretation--Congresses.
Bach, Johann Sebastian, 1685-1750--Religion--Congresses.
Chorale--Congresses.
Church music--Germany--Congresses.
Music--Germany--Religious aspects--Christianity--Congresses.
Organ music--History and criticism--Congresses.
Princeton subject headings:
Bach, Johann Sebastian, 1685-1750--Criticism and interpretation--Congresses.
Bach, Johann Sebastian, 1685-1750--Religion--Congresses.