Table for the 4 triples with object <http://www.ta.tudelft.nl/coalpage/> on predicate ns3:wikiPageExternalLink sorted by label

Subject	Predicate
?:Staatsmijnen in Limburg	ns3:wikiPageExternalLink
?:Staatsmijnen in Limburg	ns3:wikiPageExternalLink
?:Steenkool	ns3:wikiPageExternalLink
?:Steenkool	ns3:wikiPageExternalLink