<http://caligraph.org/ontology/Work_about_American_slavery>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Film_about_American_slavery>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Work_about_American_slavery> .
<http://caligraph.org/ontology/Television_episode_about_slavery_in_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Work_about_American_slavery> .
<http://caligraph.org/ontology/Work_about_American_slavery>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Works_about_American_slavery> .
<http://caligraph.org/ontology/Work_about_American_slavery>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Work_about_slavery> .
<http://caligraph.org/ontology/Non-fiction_book_about_American_slavery>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Work_about_American_slavery> .
<http://caligraph.org/ontology/Work_about_American_slavery>	<http://www.w3.org/2000/01/rdf-schema#label>	"Work about American slavery" .
<http://caligraph.org/ontology/Novel_about_American_slavery>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Work_about_American_slavery> .