[ { "uri":"http://purl.org/heritagedata/schemes/eh_period/concepts/EM", "label":"EARLY MEDIEVAL", "label lang":"en" }, { "uri":"http://purl.org/heritagedata/schemes/eh_period/concepts/EIA", "label":"EARLY IRON AGE", "label lang":"en" }, { "uri":"http://purl.org/heritagedata/schemes/eh_period/concepts/EBA", "label":"EARLY BRONZE AGE", "label lang":"en" } ]