1. MS Mus. 1804/1/7/2 Reference (shelfmark): MS Mus. 1804/1/7/2 Title: Thea Musgrave: 'Mary, Queen of Scots', opera. Composition draft Scope & Content: Composition draft. The verso of many leaves contains rougher sketches. Collection Area: Music Collections Languages: English Date Range: 1973? Extent: 4 volumes
2. MS Mus. 1804/1/7/2/3 Reference (shelfmark): MS Mus. 1804/1/7/2/3 Title: Thea Musgrave: 'Mary, Queen of Scots', opera. Composition draft: Act 2 Scope & Content: Act 2. In pencil and coloured inks. Collection Area: Music Collections Languages: English Date Range: 1973? Extent: 1 volume
3. MS Mus. 1804/1/7/2/4 Reference (shelfmark): MS Mus. 1804/1/7/2/4 Title: Thea Musgrave: 'Mary, Queen of Scots', opera. Composition draft: Act 3 Scope & Content: In pencil and coloured inks. Inserted in Scene 2 are: (1.) annotated photocopies of 13 leaves from the full score. (2.) superseded leaves from the full score, on transparencies, with some pencil sketches interleaved. Collection Area: Music Collections Languages: English Date Range: 1973? Extent: 1 volume
4. MS Mus. 1804/1/7/2/2 Reference (shelfmark): MS Mus. 1804/1/7/2/2 Title: Thea Musgrave: 'Mary, Queen of Scots', opera. Composition draft: Act 1, scene 3 (Ballroom scene) Scope & Content: Act 1, scene 3. In pencil and coloured inks. Collection Area: Music Collections Languages: English Date Range: 1973? Extent: 1 volume
5. MS Mus. 1804/1/7/2/1 Reference (shelfmark): MS Mus. 1804/1/7/2/1 Title: Thea Musgrave: 'Mary, Queen of Scots', opera. Composition draft: Act 1, scenes 1 and 2 Scope & Content: Act 1, scenes 1 and 2. In pencil and coloured inks. Collection Area: Music Collections Languages: English Date Range: 1973? Extent: 1 volume