About: http://webisa.webdatacommons.org/22922191

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 have not tried books yet, and after reading some of the blogs I am wondering if there is a limit to the number of pages that the program can comfortably handle.
http://www.w3.org/ns/prov#wasQuotedFrom	ancestry.com