<http://webisa.webdatacommons.org/prov/51447433>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/53318807> .
<http://webisa.webdatacommons.org/53318807>	<http://www.w3.org/ns/prov#value>	"You can also browse by categories such as history and social studies." .
<http://webisa.webdatacommons.org/53318807>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/53318807>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<teachinghistory.org> .