1. MS Mus. 1804/1/12/5 Reference (shelfmark): MS Mus. 1804/1/12/5 Title: Thea Musgrave: 'Simon Bolívar', opera. Music sketches and associated material Scope & Content: Music sketches, structural outlines and source material. Collection Area: Music Collections Languages: English Date Range: 1994? Extent: 1 volume