PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The NEHGS research library, one of the most respected genealogical libraries in the field, is home to millions of books, journals, manuscripts, photographs, microfilms, documents, records, and other artifacts that date back more than four centuries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • geneamusings.com