'Gems of heaven' recent research on engraved gemstones in late antiquity, c. AD 200-600 Entwistle, Christopher. Adams, Noël. British Museum text bibliography conference publication enk London British Museum c2011 2011 monographic eng
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x, 274 p. : ill. ; 30 cm. edited by Chris Entwistle and Noël Adams. Includes bibliographical references. Gems, Ancient Congresses Gems, Byzantine Congresses Precious stones Congresses Art objects, Byzantine Congresses NK5555 .G46 2011 553.8 SMG Research publication (British Museum) ; no. 177 0861591771 (pbk.) 9780861591770 (pbk.) 2012371107 NLE 120618 20161208165639.0 17351770