About: http://webisa.webdatacommons.org/449226042

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	gathered from several of his offices, including the files he kept at the various organizations where he worked, and his teaching
http://www.w3.org/ns/prov#wasQuotedFrom	cdlib.org