<http://caligraph.org/ontology/Environmental_book>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Environmental_books> .
<http://caligraph.org/ontology/Environmental_book>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_environmental_books> .
<http://caligraph.org/ontology/Environmental_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Technical_book> .
<http://caligraph.org/ontology/Environmental_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Environmental_publication> .
<http://caligraph.org/ontology/Environmental_non-fiction_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Environmental_book> .
<http://caligraph.org/ontology/Environmental_book>	<http://www.w3.org/2000/01/rdf-schema#label>	"Environmental book" .
<http://caligraph.org/ontology/Environmental_fiction_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Environmental_book> .
<http://caligraph.org/ontology/Environmentally_skeptical_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Environmental_book> .
<http://caligraph.org/ontology/Environmental_book>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .