<http://caligraph.org/ontology/1841_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .
<http://caligraph.org/ontology/1848_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .
<http://caligraph.org/ontology/1844_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .
<http://caligraph.org/ontology/1846_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .
<http://caligraph.org/ontology/1840s_birth>	<http://www.w3.org/2000/01/rdf-schema#label>	"1840s birth" .
<http://caligraph.org/ontology/1840s_birth>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1843_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .
<http://caligraph.org/ontology/1845_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .
<http://caligraph.org/ontology/1847_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .
<http://caligraph.org/ontology/1840s_birth>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1840s_births> .
<http://caligraph.org/ontology/1840s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/19th-century_birth> .
<http://caligraph.org/ontology/1840_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .
<http://caligraph.org/ontology/1842_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .
<http://caligraph.org/ontology/1849_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_birth> .