<http://caligraph.org/resource/PWS-21>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_civil_aircraft> .
<http://caligraph.org/resource/PWS-21>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1930s_Polish_airliners> .
<http://caligraph.org/resource/PWS-21>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"PWS-21" .
<http://caligraph.org/resource/PWS-21>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/PWS-21> .
<http://caligraph.org/resource/PWS-21>	<http://caligraph.org/ontology/numberBuilt>	"1" .
<http://caligraph.org/resource/PWS-21>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/PWS-21>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Civil_aircraft> .
<http://caligraph.org/resource/PWS-21>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1930s_Polish_airliner> .
<http://caligraph.org/resource/PWS-21>	<http://caligraph.org/ontology/manufacturer>	<http://caligraph.org/resource/Podlaska_Wytw%C3%B3rnia_Samolot%C3%B3w> .
<http://caligraph.org/resource/PWS-21>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Podlaska_Wytw%C3%B3rnia_Samolot%C3%B3w> .
<http://caligraph.org/resource/PWS-21>	<http://www.w3.org/2000/01/rdf-schema#label>	"PWS-21" .