1. MS Mus. 1256 Reference (shelfmark): MS Mus. 1256 Title: Stephen Oliver: 'Sasha'. Sketches etc. Scope & Content: Sketches, annotated libretto, related correspondence and other material. Collection Area: Music Collections Languages: English Date Range: 1982-1983 Extent: 1 volume (223 folios)
2. MS Mus. 1257 Reference (shelfmark): MS Mus. 1257 Title: Stephen Oliver: 'Sasha'. Vocal score Scope & Content: Vocal score, with revised sections. Collection Area: Music Collections Languages: English Date Range: 1982 Extent: 1 volume (257 folios)
3. MS Mus. 1258 Reference (shelfmark): MS Mus. 1258 Title: Stephen Oliver: 'Sasha'. Full score of Act I Scope & Content: Act I, photocopy of full score. Collection Area: Music Collections Languages: English Date Range: 1983 Extent: 1 volume (142 folios)
4. MS Mus. 1259 Reference (shelfmark): MS Mus. 1259 Title: Stephen Oliver: 'Sasha'. Full score of Act II Scope & Content: Act II, photocopy of full score. Collection Area: Music Collections Languages: English Date Range: 1983 Extent: 1 volume (262 folios)