David R. Edwards: Gwahaniaeth rhwng fersiynau

Cynnwys wedi'i ddileu Cynnwys wedi'i ychwanegu
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== Dolenni Allanol ==
* [http://web.archive.org/web/20041221063405/http://www.bbc.co.uk/wales/music/sites/datblygu/pages/datblygu_biography.shtml] Bywgraffiad Datblygu ar wefan y BBC
* [http://www.datblygu.com/] Gwefan Datblygu