<http://caligraph.org/ontology/Economic_historian>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Economic_historians> .
<http://caligraph.org/ontology/Business_historian>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_historian> .
<http://caligraph.org/ontology/American_economic_historian>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_historian> .
<http://caligraph.org/ontology/Economic_historian>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Social_historian> .
<http://caligraph.org/ontology/Historian_of_economic_thought>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_historian> .
<http://caligraph.org/ontology/Economic_historian>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Historian_of_agriculture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_historian> .
<http://caligraph.org/ontology/Labor_historian>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_historian> .
<http://caligraph.org/ontology/Economic_historian>	<http://www.w3.org/2000/01/rdf-schema#label>	"Economic historian" .
<http://caligraph.org/ontology/Historian_of_technology>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_historian> .
<http://caligraph.org/ontology/Marxist_historian>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_historian> .