1. MS Mus. 1804/1/12/9 Reference (shelfmark): MS Mus. 1804/1/12/9 Title: Thea Musgrave: 'Simón Bolívar', opera. Vocal score Scope & Content: Vocal score, in ink on transparencies, with tape cues. Collection Area: Music Collections Languages: English Date Range: 1993 Extent: 3 volumes