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Hefyd yn cynnwys gweithiau gan = Also includes works by: Hywel ab Owain Gwynedd, Owain Cyfeiliog, Llywarch Llaety, Llywarch y Nam, Daniel ap Llosgwrn Mew, Peryf ap Cedifor, Seisyll Bryffwrch, Gwynfardd Brycheiniog, Gwilym Rhyfel, Gruffudd ap Gwrgenau.
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Gwaith Llewelyn Fardd I ac eraill o feirdd y ddeuddegfed ganrif. ISBN 0708312144. Published by University of Wales Press in 1994. Publication and catalogue information, links to buy online and reader comments.