Gwaith Dafydd Llwyd o Fathafarn.  Gol. gan W. Leslie Richards.
Contributors: Richards, W. Leslie,; Wales. University. Board of Celtic Studies
Publisher: Gwasg Prifysgol Cymru
Published: 1964
Place of publication: Caerdydd
Language: wel
Number of pages: 227
Work titles: Dafydd Llwyd ab Llywelyn ab Gruffudd o Fathafarn.