About: http://webisa.webdatacommons.org/388378631

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	Before emancipation, documents, such as bills of sale for slaves, recorded only the first names of the slaves, and slave documents often fail to include birth and death dates.
http://www.w3.org/ns/prov#wasQuotedFrom	archives.gov