P1073 Testun Cymraeg/Saesneg = English/Welsh text tête-bêche.
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Sain deall : cyflwyniad i ymwybyddiaeth iaith by Siân Wyn Siencyn. ISBN 1857191064. Published by Cyngor Canolog Addysg a Hyfforddiant mewn Gwaith Cymdeithasol in 1995. Publication and catalogue information, links to buy online and reader comments.