<http://caligraph.org/ontology/European_travel_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Travel_book> .
<http://caligraph.org/ontology/Travel_book>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/American_travel_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Travel_book> .
<http://caligraph.org/ontology/Canadian_travel_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Travel_book> .
<http://caligraph.org/ontology/Travel_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Work_about_travel> .
<http://caligraph.org/ontology/Travel_book>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_travel_books> .
<http://caligraph.org/ontology/Travel_book>	<http://www.w3.org/2000/01/rdf-schema#label>	"Travel book" .
<http://caligraph.org/ontology/Travel_book>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Travel_books> .
<http://caligraph.org/ontology/Travel_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Geography_book> .
<http://caligraph.org/ontology/Asian_travel_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Travel_book> .
<http://caligraph.org/ontology/Pilgrimage_account>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Travel_book> .
<http://caligraph.org/ontology/African_travel_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Travel_book> .
<http://caligraph.org/ontology/Travel_guide_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Travel_book> .
<http://caligraph.org/ontology/Travel_novel>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Travel_book> .
<http://caligraph.org/ontology/Australian_travel_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Travel_book> .