About: http://webisa.webdatacommons.org/445688655

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http://www.w3.org/ns/prov#value	He does not appear to have had permission to draw freely on Spark's unpublished work, so there is very little here from her letters or other private papers.
http://www.w3.org/ns/prov#wasQuotedFrom	slate.com