1. MS Mus. 1804/1/12/1/1 Reference (shelfmark): MS Mus. 1804/1/12/1/1 Title: Thea Musgrave: 'Simón Bolívar', opera. Research and early versions of synopsis Scope & Content: Proposal, early versions of the synopsis, research materials; 1989. Typescript and photocopy. Collection Area: Music Collections Languages: English Date Range: 1988-1991? Extent: 1 volume
2. MS Mus. 1804/1/12/1/2 Reference (shelfmark): MS Mus. 1804/1/12/1/2 Title: Thea Musgrave: 'Simón Bolívar', opera Libretto concept, research, and early synopses Scope & Content: Versions of synopsis, research materials; in ink and photocopies. Collection Area: Music Collections Languages: English Date Range: 1988-1991? Extent: 1 volume