About: http://webisa.webdatacommons.org/11336441

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	... in social studies books, math textbooks, science books, or newspapers such as USA Today ...
http://www.w3.org/ns/prov#wasQuotedFrom	booklad.org