About: http://webisa.webdatacommons.org/309953176

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	The large proportion of elderly blacks who were listed as free in the census had mostly been freed shortly before the age of forty???five or fifty, when they could still be certified by overseers of the poor.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com