Wncwl Bert
By: Mair Wynn Hughes ; [lluniau gan Jonathan Ward] ; [addaswyd y stori hon gan Mari Tudor].
Contributors: Ward, Jonathan.; Tudor, Mari.; National Language Unit of Wales.; Welsh Joint Education Committee.
Publisher: CBAC
Published: 1997
Place of publication: Caerdydd
Language: wel
Number of pages: 16
Subjects: Welsh language -- Readers.