PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The types of materials found in the subject files include original incoming letters and memoranda; carbon and electrostatic copies of outgoing letters and memoranda; transmittal letters and memoranda for correspondence, reports and other items; telegrams, cables and teletype communications; printed materials such as reports, brochures, and magazine reprints; preservation copies of newspaper and ma
http://www.w3.org/ns/prov#wasQuotedFrom
  • nixonlibrary.gov