1. MS Mus. 1234-1236 Reference (shelfmark): MS Mus. 1234-1236 Title: Stephen Oliver: 'The Duchess of Malfi' Scope & Content: Opera, words by John Webster; composed July-August 1971, revised 1978. Published by Chester Novello. Collection Area: Music Collections Languages: English Date Range: 1971-1978 Extent: 3 volumes
2. 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)
3. MS Mus. 1235 Reference (shelfmark): MS Mus. 1235 Title: Stephen Oliver: 'The Duchess of Malfi'. Full score (1971 version) Scope & Content: Full score, in ink, of the 1971 version for chamber orchestra, with annotations. Collection Area: Music Collections Languages: English Date Range: 1971 Extent: 1 volume (218 folios)
4. MS Mus. 1236 Reference (shelfmark): MS Mus. 1236 Title: Stephen Oliver: 'The Duchess of Malfi'. Full score (1978 version) Scope & Content: Dyeline full score of the 1978 version for full orchestra, with annotations in pencil. Collection Area: Music Collections Languages: English Date Range: 1978 Extent: 1 volume (240 folios)