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<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/PEARSON/6/10/3/1" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letters from M Greenwood</dc:title>
  <dc:description>Letters to Karl Pearson. Letter dated 9 March 1921 encloses data and explanatory note on migration and deaths from phthisis in Ireland; and a letter dated 12 April 1921 enclosing some notes on the "probable error" of the expectation of life determined by the approximate methods of Brownlee and Snow.</dc:description>
  <dc:date>Mar 1921 - Apr 1921</dc:date>
</rdf:Description>