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Cystadleuaeth 157: Parti llefaru hyd at 16 o leisiau = Competition 157: Group recitation for up to 16 voices.
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Detholiad penodol o Golgotha - yr oeddym ni yno by Gwilym R. Jones. Published by Eisteddfod Genedlaethol Cymru Sir Ddinbych a'r Cyffiniau 2001 in 2000. Publication and catalogue information, links to buy online and reader comments.