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<http://caligraph.org/ontology/Book_about_Jewish_Polish_history>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Books_about_Jewish_Polish_history> .
<http://caligraph.org/ontology/Book_about_Jewish_Polish_history>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/History_book_about_Jews_and_Judaism> .
<http://caligraph.org/ontology/Book_about_Jewish_Polish_history>	<http://www.w3.org/2000/01/rdf-schema#label>	"Book about Jewish Polish history" .