Yule, George Udny <p>Consists of letters from Karl Pearson to George Udny Yule</p> <p>Answering questions from Gresham Lectures (1891); offer of teaching (1893); concerning calculations and purchasing 'Brunsviga' (1894); questions of probability; concerning whist statistics; recovering from illness (1895); Galton's response to heredity paper (16 Sep 1895); concerning the stud cards (Dec 1895); defining coefficient of regression (Jan 1896); discussion of paper on skew curves; discussing correlation paper (1896); regarding illness (1897); County Council work; considering skew correlation; Sigrid very ill (1899); concerning coefficient and correlation coefficient work (1899); suggestions for counting parts of flowers; family history research in Yorkshire (1900); discussing paper rejected by Royal Society; first issue of <i>Biometrika</i> (1901); encouraging Yule to publish his research; discussing Bateson's work (1902); relations with University College (1903); printed letter to Senate of the University of London from Yule and Charles Sanger concerning the appointment of Mr Llewellyn Smith as Examiner in Statistics (1903).</p> 1891