About: http://webisa.webdatacommons.org/407142136

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	This series contains mostly correspondence written to and by Dwight Grell; also included are letters or notes to or from other parties.
http://www.w3.org/ns/prov#wasQuotedFrom	usc.edu