Calculations and Other Papers Relating to <i>Tables for Statisticians and Biometricians</i> <p>Consists of :</p> <li>Karl Pearson's letter to Cambridge University Press, dated 13 Nov 1923, about error in Table for Statisticians, with page of proof</li> <li>letter from Gosset, William Sealy ('student'), dated 26 Nov 1923, with tables of calculations and Karl Pearson's 'correct' calculations</li> <li>tables for book</li> <li>tables illustrating the use of Everitt's Supplementary Tables, 1925</li> <li>tables showing lengths of circular arcs</li> <li>trigonometry tables for "Table Vol"</li> <li>tables showing fourth movements of sub-group frequency</li> 1913-1925