About: http://webisa.webdatacommons.org/72902431

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	The list may include such information as the old and new forms of the heading (if the heading has changed), or just the heading itself (if it has not changed).
http://www.w3.org/ns/prov#wasQuotedFrom	loc.gov