1. 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