1. Add MS 35021, ff 22r-22v Reference (shelfmark): Add MS 35021, ff 22r-22v Title: J. S. Bach: ‘Praeludium 9’ and ‘Fuga 9’ (Prelude and fugue in E major, BWV 878). In the hand of Anna Magdalena Bach, the final two bars of the prelude in the composer’s hand. Collection Area: Music Collections Languages: Not applicable Date Range: [1739-1742] Extent: 1 folio