About: http://webisa.webdatacommons.org/446983248

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	Correspondence, interviews, reports, transcripts, briefing books, legal briefs, notebooks, research files, production files, financial papers, printed matter, audio and video recordings, photographs, and other papers.
http://www.w3.org/ns/prov#wasQuotedFrom	loc.gov