<http://caligraph.org/ontology/Most_commonly_challenged_book_in_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Controversial_book> .
<http://caligraph.org/ontology/Controversial_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Book> .
<http://caligraph.org/ontology/Controversial_book>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_controversial_books> .
<http://caligraph.org/ontology/Controversial_book>	<http://www.w3.org/2000/01/rdf-schema#label>	"Controversial book" .
<http://caligraph.org/ontology/Book_banned_by_governments>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Controversial_book> .
<http://caligraph.org/ontology/Book_banned_in_New_Zealand>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Controversial_book> .
<http://caligraph.org/ontology/Controversial_book>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .