History of Statistics: Lectures by Karl Pearson Correspondence and other papers relating to the publication of The History of Statistics in the 17th and 18th Centuries by Karl Pearson [being a compendium of KP's 'history' lectures given between 1921-33, compiled by E S Pearson]. Mostly letters between E S Pearson and the publisher, Charles Griffin & Co. Also correspondence between ESP, Helga Sharpe Hacker (Pearson), Margaret Victoria Pearson and others regarding the typing up and possible publication of these lectures, and M V Pearson's manuscript of the book. Also reviews and revision notes. 20th Century