About: http://webisa.webdatacommons.org/157472896

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If you are near a large public or academic library, it would be wise to search their National Newspapers", or Proquest Newspapers", or individual large ones such as the New York Times, Washington Post, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	radicalreference.info