PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • HOOKER and THISELTON-DYER were introduced in the letter of Hugo DE VRIES; Mr. ARMSTRONG could not be identified, Sir John SCOTT BURDON SANDERSON24) was a physician who was famous as a physiologist, mainly human and animal, but interested in plant physiology also.
http://www.w3.org/ns/prov#wasQuotedFrom
  • darwin-online.org.uk