About: http://webisa.webdatacommons.org/254077566

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	Google Books is a great source, especially for finding books no longer in print.
http://www.w3.org/ns/prov#wasQuotedFrom	tbo.com