About: http://webisa.webdatacommons.org/173096702

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	I think the 1900, 1910 Census included whether the person was a naturalized citizen and the date of naturalization. (Those dates of course are not always accurate).
http://www.w3.org/ns/prov#wasQuotedFrom	ancestry.com