[ { "uri":"http://purl.org/heritagedata/schemes/eh_period/concepts/PM", "label":"POST MEDIEVAL", "label lang":"en" }, { "uri":"http://purl.org/heritagedata/schemes/eh_period/concepts/MD", "label":"MEDIEVAL", "label lang":"en" }, { "uri":"http://purl.org/heritagedata/schemes/eh_period/concepts/EM", "label":"EARLY MEDIEVAL", "label lang":"en" } ]