PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Dating from 1821 through 1904, with one item dated 1946, the papers include letters, notebooks and journals, receipt books and loose receipts, printed materials, and other documentation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • si.edu