1. MS Mus. 1253 Reference (shelfmark): MS Mus. 1253 Title: Stephen Oliver: Jacko's Play. Full score Scope & Content: Dated 21 April 1980. Collection Area: Music Collections Languages: English Date Range: 1980 Extent: 1 volume (56 folios)
2. MS Mus. 1254 Reference (shelfmark): MS Mus. 1254 Title: Stephen Oliver: Jacko's Play. Vocal score Scope & Content: Photocopy of vocal score, with annotations and additional revised pages. Collection Area: Music Collections Languages: English Date Range: 1980 Extent: 1 volume (50 folios)