<http://caligraph.org/ontology/Symbol_introduced_in_1917>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol> .
<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Symbols_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_1912>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_1914>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_1911>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_1919>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_1918>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_1916>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s>	<http://www.w3.org/2000/01/rdf-schema#label>	"Symbol introduced in the 1910s" .
<http://caligraph.org/ontology/Symbol_introduced_in_1915>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_1910>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s> .
<http://caligraph.org/ontology/Symbol_introduced_in_the_1910s>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .