About: http://webisa.webdatacommons.org/121392370

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	restrictive covenants that prohibited sale of property to African Americans, a practice that was especially common in Chicago, the real estate industry played an important role in the maintenance of the color line in urban housing.
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com