1. MS Mus. 1804/1/4/3 Reference (shelfmark): MS Mus. 1804/1/4/3 Title: Thea Musgrave: 'The Decision', opera. Full score Scope & Content: Full score, on transparencies. The text on the title-page for each act is printed. Collection Area: Music Collections Languages: English Date Range: 1965 Extent: 3 volumes
2. MS Mus. 1804/1/4/3/1 Reference (shelfmark): MS Mus. 1804/1/4/3/1 Title: Thea Musgrave: 'The Decision', opera. Full score. Act 1 Collection Area: Music Collections Languages: English Date Range: 1965 Extent: 1 volume
3. MS Mus. 1804/1/4/3/2 Reference (shelfmark): MS Mus. 1804/1/4/3/2 Title: Thea Musgrave: 'The Decision', opera. Full score. Act 2 Collection Area: Music Collections Languages: English Date Range: 1965 Extent: 1 volume
4. MS Mus. 1804/1/4/3/3 Reference (shelfmark): MS Mus. 1804/1/4/3/3 Title: Thea Musgrave: 'The Decision', opera. Full score. Act 3 Collection Area: Music Collections Languages: English Date Range: 1965 Extent: 1 volume