PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • My dear Darwin,???I am very glad to hear you are a little better, and hope we shall soon have the pleasure of seeing your volume on Variation under Domestication, I do not see the difficulty you seem to feel about two or more female forms of one species.
http://www.w3.org/ns/prov#wasQuotedFrom
  • darwin-online.org.uk