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<http://caligraph.org/ontology/Biography_or_autobiography_of_mathematicians>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Biography_(books)> .
<http://caligraph.org/ontology/Biography_or_autobiography_of_mathematicians>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .