Columbia subject headings:
Bach, Johann Sebastian, 1685-1750. Harpsichord music--Congresses.
Fantasia--Congresses.
Harpsichord music--Congresses.
Piano music--Congresses.
Harvard subject headings:
Bach, Johann Sebastian, 1685-1750. Harpsichord music--Congresses.
Concerto--Congresses.
Fantasia--Congresses.
Harpsichord music--Congresses.
Piano music--Congresses.
Sonata--Congresses.
Princeton subject headings:
Piano music--18th century--History and criticism.
Piano music--19th century--History and criticism.