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<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/HALDANE/1/6/30" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter from J B S Haldane to J D Bernal</dc:title>
  <dc:description>Letter from J B S Haldane to J D Bernal enclosing a typescript of Haldane's article in the "American Scientist" [since separated]. This letter contains further ideas on potassium levels across different geological periods..</dc:description>
  <dc:date>30 March 1945</dc:date>
</rdf:Description>