<http://caligraph.org/ontology/Language_extinct_in_the_19th_century>	<http://www.w3.org/2000/01/rdf-schema#label>	"Language extinct in the 19th century" .
<http://caligraph.org/ontology/Language_extinct_in_the_1840s>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Language_extinct_in_the_19th_century> .
<http://caligraph.org/ontology/Language_extinct_in_the_1820s>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Language_extinct_in_the_19th_century> .
<http://caligraph.org/ontology/Language_extinct_in_the_19th_century>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Language_extinct_in_the_2nd_millennium> .
<http://caligraph.org/ontology/Language_extinct_in_the_1860s>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Language_extinct_in_the_19th_century> .
<http://caligraph.org/ontology/Language_extinct_in_the_19th_century>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Language_extinct_in_the_1870s>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Language_extinct_in_the_19th_century> .
<http://caligraph.org/ontology/Language_extinct_in_the_1890s>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Language_extinct_in_the_19th_century> .
<http://caligraph.org/ontology/Language_extinct_in_the_1850s>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Language_extinct_in_the_19th_century> .
<http://caligraph.org/ontology/Language_extinct_in_the_19th_century>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Languages_extinct_in_the_19th_century> .