Columbia subject headings:
Harvard subject headings:
Choruses, Sacred (Mixed voices), Unaccompanied.
Princeton subject headings:
Autographs--Facsimiles.
Bach, Johann Sebastian, 1685-1750--Manuscripts--Facsimiles.
Choruses, Sacred (Mixed voices, 8 parts), Unaccompanied.
Motets.
Music--Manuscripts--Facsimiles.