PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the case of the fowl I can adduce no direct facts showing that selection was anciently practiced; but the Romans at the commencement of the Christian era kept six or seven breeds, and Columella particularly recommends as the best, those sorts that have five toes and white ears.9 In the fifteenth century several breeds were known and described in Europe; and in China, at nearly the same period
http://www.w3.org/ns/prov#wasQuotedFrom
  • darwin-online.org.uk