P1073 Testun Cymraeg/Saesneg tête-bêche = Welsh/English text tête-bêche.
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I'r gad : tai'n ganolog by Alison Clements. ISBN 9781905018246. Published by Sefydliad Tai Siartredig yng Nghymru in 2006. Publication and catalogue information, links to buy online and reader comments.