1. Add MS 35021, ff 13r-14v Reference (shelfmark): Add MS 35021, ff 13r-14v Title: J. S. Bach: ‘Prelude 17 è Fugue’; ‘Fuga. ex As dur. 17’ (Prelude and fugue in A flat major, BWV 886). Collection Area: Music Collections Languages: Not applicable Date Range: [1739-1742] Extent: 2 folios
