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<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/PENROSE/2/42/3/4" 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 L S Penrose to L J Witte</dc:title>
  <dc:description>Letter from Penrose to L J Witte concerning the date and proposed subject of his Litchfield Lecture at the University of Oxford.</dc:description>
  <dc:date>17 Nov 1964</dc:date>
</rdf:Description>