PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In 1891, Pope Leo XIII became the first of the modern Popes to really use encyclicals (an encyclical means a letter to the whole world) as means of communication, because now there were thriving societies in North and South America that a century earlier had been by comparison rather primitive, and Christianity was mostly in Europe, plus a few missionaries scattered elsewhere.
http://www.w3.org/ns/prov#wasQuotedFrom
  • heritage.org