About: http://webisa.webdatacommons.org/80700301

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	Nothing else makes me doubtful of them except the fact that they do not declare or explain themselves.
http://www.w3.org/ns/prov#wasQuotedFrom	libertyfund.org