<http://caligraph.org/ontology/Book_by_Robert_A._Heinlein>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_book> .
<http://caligraph.org/ontology/Book_by_Robert_A._Heinlein>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Work_by_Robert_A._Heinlein> .
<http://caligraph.org/ontology/Book_by_Robert_A._Heinlein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Books_by_Robert_A._Heinlein> .
<http://caligraph.org/ontology/Book_by_Robert_A._Heinlein>	<http://www.w3.org/2000/01/rdf-schema#label>	"Book by Robert A. Heinlein" .
<http://caligraph.org/ontology/Book_by_Robert_A._Heinlein>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Work_by_American_writers> .
<http://caligraph.org/ontology/Book_by_Robert_A._Heinlein>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .