<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Photography_museums_and_galleries_in_the_United_States> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Libraries_in_Allegheny_County,_Pennsylvania> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Photography_museum_or_gallery_in_the_United_States> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Pittsburgh Photographic Library" .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://caligraph.org/ontology/location>	<http://caligraph.org/resource/United_States> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Library_in_Allegheny_County,_Pennsylvania> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Pittsburgh_Photographic_Library> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Timeline_of_Pittsburgh> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Mass_media_in_Pittsburgh> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Mass_medium_in_Pittsburgh> .
<http://caligraph.org/resource/Pittsburgh_Photographic_Library>	<http://www.w3.org/2000/01/rdf-schema#label>	"Pittsburgh Photographic Library" .