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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/MC/21/383" 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 Professor R von Ledenfeld, Prague, to the Assistant Secretary of the Royal Society</dc:title>
  <dc:description>'Dear Sir, I beg to acknowledge with best thanks the receipt of twelve copies of my Monograph of the Horny Sponges which the [Royal Society] was so good to send me, faithfully yours, Prof R v Ledenfeld'.</dc:description>
  <dc:date>7 November 1906</dc:date>
</rdf:Description>