About: http://webisa.webdatacommons.org/445658306

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	Textbooks, except for some math, engineering & beginning foreign language
http://www.w3.org/ns/prov#wasQuotedFrom	frugalmusebooks.com