Correspondence and papers of C.H. Pearson, consisting of:
- Letters to Pearson, 1850-94
- Letters to other members of the Pearson family, 1872-1926
- Miscellaneous papers of Pearson, 1851-94, many relating to Oxford University
- Papers relating to The collected mathematical papers of H.J.S. Smith, ed. J.W.L. Glaisher (Oxford, 1894)
- Corrected proofs of C.H. Pearson, History of England in the early and middle ages (London, 1867)
- Miscellaneous papers
- Notes of lectures by Pearson
- Notes by Pearson on historical subjects
- Photograph album, 19th century