1. Add MS 35021, ff 18r-18v Reference (shelfmark): Add MS 35021, ff 18r-18v Title: J. S. Bach: ‘Prelude 21’ and ‘Fuga 21’ (Prelude and fugue in B flat major, BWV 890). Autograph. Collection Area: Music Collections Languages: Not applicable Date Range: [1739-1742] Extent: 1 folio
