Wicksteed, Philip Henry Manuscript. Contains 10 letters to K Pearson, 4 letters to M S Pearson, and 1 letter to his wife E R Wicksteed. Letters to Karl Pearson dated 1884-1894, regarding curves; admiration for Pearson's The Common Sense of the Exact Sciences; equations and his paper on Marx; on opening a series of discussions on "accumulation" and sending Pearson a syllabus; asks Pearson's opinion on Ibsen, and on his paper "Alphabet of Germanic Science"; regarding Pearson's The Grammar of Science; and sends Pearson a copy of his paper "An Essay on the Co-Ordination of the Laws of Distribution". Encloses a press cutting containing Wicksteed's letter in The Inquirer, 13 January 1917, titled "The Possibilities of Peace"; a pamphlet containing the address given at the Memorial Service at Manchester College, Oxford, for Wicksteed; and a Unitarian sermon titled "Salvation". Postcard to his wife E R Wicksteed dated 1882 on trip to Reading, regarding progress and illness of companion. Letters to M S Pearson dated 1912-1924, regarding his views on Ibsen; death of Ellen Thompson (former domestic of the William Sharpes and nurse of the Arthur Sharpes); reassuring Maria, seemingly at her regret at not seeing Thompson prior to her death; and on his wife Emily's death. 1882-1924