<http://caligraph.org/ontology/20th-century_book>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/20th-century_book>	<http://www.w3.org/2000/01/rdf-schema#label>	"20th-century book" .
<http://caligraph.org/ontology/20th-century_fiction_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .
<http://caligraph.org/ontology/20th-century_book>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:20th-century_books> .
<http://caligraph.org/ontology/20th-century_history_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .
<http://caligraph.org/ontology/20th-century_graphic_novel>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .
<http://caligraph.org/ontology/20th-century_Arabic_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .
<http://caligraph.org/ontology/20th-century_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/2nd-millennium_book> .
<http://caligraph.org/ontology/20th-century_Indian_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .
<http://caligraph.org/ontology/20th-century_Turkish_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .
<http://caligraph.org/ontology/20th-century_novel>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .
<http://caligraph.org/ontology/20th-century_non-fiction_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .
<http://caligraph.org/ontology/20th-century_poetry_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .
<http://caligraph.org/ontology/20th-century_Latin_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_book> .