Columbia subject headings:
Harvard subject headings:
Bach, Johann Sebastian, 1685-1750--Manuscripts--Facsimiles.
Facsimiles
Masses
Masses--Scores
Music--Manuscripts--Facsimiles.
Scores
Princeton subject headings:
Bach, Johann Sebastian, 1685-1750--Manuscripts--Facsimiles.
Masses--Scores.
Masses.
Music--Manuscripts--Facsimiles.
Scores.