PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Given that the author was a historian who frequently discusses the need to preserve sources (he was appalled to learn that a member of the Truman family had managed to destroy Harry's weekly epistles to his mother and sister), I am confident that his heirs have made arrangements to deposit the full text in an appropriate archive--perhaps the JFK library--where they will be opened at a suitable mom
http://www.w3.org/ns/prov#wasQuotedFrom
  • historynewsnetwork.org