PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The African slave trade is not yet effectually suppressed; and, if we make a reasonable deduction for the white people among us who are foreigners and the descendants of foreigners arriving here since 1808, we shall find the increase of the black population outrunning that of the white to an extent unaccountable, except by supposing that some of them, too, have been coming from Africa.
http://www.w3.org/ns/prov#wasQuotedFrom
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