1. MS Mus. 1337 Reference (shelfmark): MS Mus. 1337 Title: Stephen Oliver: 'Ashenden'. Full score Scope & Content: Partly photocopied. Collection Area: Music Collections Languages: English Date Range: 1991 Extent: 1 volume (245 folios)
2. MS Mus. 1336 Reference (shelfmark): MS Mus. 1336 Title: Stephen Oliver: 'Ashenden'. Sketches, etc. Scope & Content: Sketches, correspondence, and other related materials. Collection Area: Music Collections Languages: English Date Range: 1991 Extent: 1 volume (144 folios)