1. MS Facsimile 526 Reference (shelfmark): MS Facsimile 526 Title: Gluck: Overture to 'Ipermestra'. Scope & Content: Autograph. [Negative photostats, ff. 9]. Original exported (at val. £1050) to Switzerland by Otto Haas, Dec. 1955. Transferred to Music Department Collection Area: Western Manuscripts Languages: English Date Range: 1955 Extent: 1 volume