PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Enumerators of the 1820 census were asked to include the following categories in the census: name of head of household, number of free white males and females in age categories: 0 to 10, 10 to 16, 16 to 26, 26 to 45, 45 and older; number of other free persons except Indians not taxed; number of slaves; and town or district and county of residence.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ancestry.com