PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The collection also includes 53 million African-American records in the complete U.S. Federal Census Collection (1790 ??? 1930), which is now searchable with a new, special filter that identifies African-American entries, regardless of their description in the census such as colored, Negro, black, mulatto or other variations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • baahgs.org