About: http://webisa.webdatacommons.org/183999407

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	institutions" of the states, including persons held to labor or service (a reference to slavery).
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com