About: http://webisa.webdatacommons.org/360337136

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	Unfortunately, our catalog does not designate whether a book is contracted or uncontracted.
http://www.w3.org/ns/prov#wasQuotedFrom	nfb.org