P1042 Cyfeiriadau llyfryddol a mynegai = Bibliographical references and index.
P1073 Testun Cymraeg gyda dyfyniadau mewn Llydaweg, Ffrangeg a Saesneg - y rhain wedi eu trosi i'r Gymraeg = Welsh text with quotations in Breton, French and English - these have been translated into Welsh.
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I gadw mamiaith mor hen : (cyflwyniad i ddechreuadau ysgolheictod Llydaweg) by Rhisiart Hincks. ISBN 1859021298. Published by Gomer in 1995. Publication and catalogue information, links to buy online and reader comments.