About: http://webisa.webdatacommons.org/251428384

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	Although most of these entries occur after 1787, dozens of them appear in letters or other documents that were written before the Philadelphia convention.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com