About: http://webisa.webdatacommons.org/298570895

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	A plain appearance may be another clue, especially if the book or booklet is something that could have been accomplished by any printing method, even photocopying, and bound, say, with a stiff paper cover and staples.
http://www.w3.org/ns/prov#wasQuotedFrom	bookthink.com