<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Peter L. Robertson" .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Milton,_Ontario> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"P. L. Robertson" .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1951_death> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Canadian_inventors> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Haldimand_County> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Person_associated_with_places> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Robertson" .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Lists_of_Canadians> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/2000/01/rdf-schema#label>	"P. L. Robertson" .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/P._L._Robertson> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1951_deaths> .
<http://caligraph.org/resource/P._L._Robertson>	<http://caligraph.org/ontology/deathYear>	"1951" .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Canadian_inventor> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Peter Robertson" .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1879_birth> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Robertson_(surname)> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1879_births> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Screw> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/1951_in_Canada> .
<http://caligraph.org/resource/P._L._Robertson>	<http://caligraph.org/ontology/birthYear>	"1879" .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/1879_in_Canada> .
<http://caligraph.org/resource/P._L._Robertson>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Screws> .
<http://caligraph.org/resource/P._L._Robertson>	<http://caligraph.org/ontology/nationality>	<http://caligraph.org/resource/Canadians> .