<http://caligraph.org/ontology/Play_by_David_Williamson>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Work_by_Australian_writers> .
<http://caligraph.org/ontology/Play_by_David_Williamson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Plays_by_David_Williamson> .
<http://caligraph.org/ontology/Play_by_David_Williamson>	<http://www.w3.org/2000/01/rdf-schema#label>	"Play by David Williamson" .
<http://caligraph.org/ontology/Play_by_David_Williamson>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_author_David%20Williamson> .
<http://caligraph.org/ontology/Play_by_David_Williamson>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Dramatist_or_playwright> .
<http://caligraph.org/ontology/Play_by_David_Williamson>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Play> .
<http://caligraph.org/ontology/Play_by_David_Williamson>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .