1. MS Mus. 1234 Reference (shelfmark): MS Mus. 1234 Title: Stephen Oliver: 'The Duchess of Malfi'. Vocal score (1971 version) Scope & Content: Dyeline vocal score. ‘Not revised’ written above start of Act II. Collection Area: Music Collections Languages: English Date Range: 1971 Extent: 1 volume (159 folios)