<http://caligraph.org/ontology/American_book_about_cannabis>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:American_books_about_cannabis> .
<http://caligraph.org/ontology/American_book_about_cannabis>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_non-fiction_book> .
<http://caligraph.org/ontology/American_book_about_cannabis>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Book_about_cannabis> .
<http://caligraph.org/ontology/Cannabis_cookbook>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_book_about_cannabis> .
<http://caligraph.org/ontology/American_book_about_cannabis>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/American_book_about_cannabis>	<http://www.w3.org/2000/01/rdf-schema#label>	"American book about cannabis" .
<http://caligraph.org/ontology/American_book_about_cannabis_law_reform>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_book_about_cannabis> .