Columbia subject headings:
Harvard subject headings:
Bach, Johann Sebastian, 1685-1750. Organ music.
Organ (Musical instrument)--18th century--Construction.
Organ (Musical instrument)--18th century--Registration.
Organ (Musical instrument)--Construction
Organ (Musical instrument)--Europe--History--18th century.
Organ (Musical instrument)--Registration
Organ music--18th century--History and criticism.
Princeton subject headings:
Bach, Johann Sebastian, 1685-1750.
Organ music--History and criticism.