Geraint a'r ddraig
By: trosiad [i'r Gymraeg] gan banel o staff AdranAddysg Sir Benfro ; lluniau gan Adrie Hospes.
Publisher: Gwasg y Dref Wen
Published: 1972
Place of publication: Caerdydd
Language: wel
Number of pages: 26
Work titles: Diederik en de Dieren.