About: http://webisa.webdatacommons.org/82091472

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	osiah Henson was enslaved.Henson was a slave for about 40 years before he escaped to Canada and later produced an autobiography, published in 1849.
http://www.w3.org/ns/prov#wasQuotedFrom	dailytidings.com