[ { "uri": "http://purl.org/heritagedata/schemes/eh_period/concepts/EPR", "label": "EARLY PREHISTORIC", "label lang": "en", "note": "For monuments which are characteristic of the Paleolithic to Mesolithic but cannot be specifically assigned.", "note lang": "en" }, { "uri": "http://purl.org/heritagedata/schemes/eh_period/concepts/EME", "label": "EARLY MESOLITHIC", "label lang": "en", "note": "The earliest subdivision of the Mesolithic, or Middle Stone Age.", "note lang": "en" }, { "uri": "http://purl.org/heritagedata/schemes/eh_period/concepts/ENE", "label": "EARLY NEOLITHIC", "label lang": "en", "note": "The earliest subdivision of the Neolithic, or New Stone Age.", "note lang": "en" } ]