Un tro
By: syniadau gwreiddiol a darluniau gan John Prater ; testun gan Vivian French ; yr addasiad Cymraeg gan Hywel Nicholas a Siân Jones.
Contributors: French, Vivian.; Nicholas, Hywel.; Jones, Siân.
Publisher: Gwasg Pobl Cymru
Published: 1998
Place of publication: Abertawe
Language: wel
Number of pages: 24
Work titles: Once upon a time.
Notes: Arg. Saesneg gwreiddiol = Original English ed.: Llundain: Walker Books, 1993.

Addasiad Cymraeg gan = Welsh adaptation by: Hywel Nicholas a Siân Jones.

Addasiad Cymraeg o = Welsh adaptation of: Once upon a time.