P1042 Yn cynnwys cyfeiriadau llyfryddol (tudalennau 210-211) a mynegai = Includes bibliographical references (pages 210-211) and index.
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Llyfr Gwyn by Gwyn Thomas. ISBN 9781906396862. Published by Cyhoeddiadau Barddas in 2015. Publication and catalogue information, links to buy online and reader comments.