<http://caligraph.org/ontology/1930_in_California>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1930s_in_California_by_city> .
<http://caligraph.org/ontology/1930_in_California>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1930_in_San_Francisco>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1930_in_California> .
<http://caligraph.org/ontology/1930_in_California>	<http://www.w3.org/2000/01/rdf-schema#label>	"1930 in California" .
<http://caligraph.org/ontology/1930_in_San_Diego>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1930_in_California> .
<http://caligraph.org/ontology/1930_in_Los_Angeles>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1930_in_California> .
<http://caligraph.org/ontology/1930_in_California>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1930> .
<http://caligraph.org/ontology/1930_in_California>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1930s_in_California> .