PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Agricultural products and manufactured goods predominated and included such items as wheat, appliances, fertilizers, soybean oil, and aircraft parts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ustr.gov