About: http://webisa.webdatacommons.org/186102828

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, memos, staff papers, and other materials that went to or were sent
http://www.w3.org/ns/prov#wasQuotedFrom	archives.gov