1. MS Mus. 1232 Reference (shelfmark): MS Mus. 1232 Title: Stephen Oliver: 'Slippery Soules'. Vocal score (1988 version) Scope & Content: Typescript libretto (ff. 1-9) and vocal score, in ink (ff. 10-147). Collection Area: Music Collections Languages: English Date Range: 1988 Extent: 1 volume (147 folios)