About: http://webisa.webdatacommons.org/446385297

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	Margaret Sanger and Clarence Gamble were spreading contraception everywhere they could, but especially among the poor.
http://www.w3.org/ns/prov#wasQuotedFrom	meehanreports.com