About: http://webisa.webdatacommons.org/424525459

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	es, among them Illinois, Indiana, and Iowa; laws forbidding Negroes ??? free Negroes ??? to enter or remain in the state.
http://www.w3.org/ns/prov#wasQuotedFrom	aei.org