[E1] contains journals and notebooks relating to travels in Britain and abroad, and commonplace books, with notes on family, parish, national and social events. [E2] has papers on Bottisham parish and rural deanery affairs, including an account of a fire at Bottisham, 1846, vestry minutes for Bottisham, 1848-51, papers on Lode Church, 1852, and notes on Bottisham charities. [E3] comprises personal papers, and [E4] a small section of correspondence, including letters of condolence on Professor Hailstone's death. [E5] contains letters and papers of his wife, Jane, [E6] includes papers on John Hailstone's funeral, will and family trusts, and [E7] has genealogical notes and papers on the Lay family.