<http://caligraph.org/ontology/1950s_birth>	<http://www.w3.org/2000/01/rdf-schema#label>	"1950s birth" .
<http://caligraph.org/ontology/1950_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .
<http://caligraph.org/ontology/1955_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .
<http://caligraph.org/ontology/1954_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .
<http://caligraph.org/ontology/1959_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .
<http://caligraph.org/ontology/1952_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .
<http://caligraph.org/ontology/1950s_birth>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1950s_births> .
<http://caligraph.org/ontology/1953_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .
<http://caligraph.org/ontology/1956_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .
<http://caligraph.org/ontology/1950s_birth>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1950s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_birth> .
<http://caligraph.org/ontology/1951_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .
<http://caligraph.org/ontology/1958_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .
<http://caligraph.org/ontology/1957_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_birth> .