Yr wy
By: lluniau gan René Mettler ; crewyd gan Pascale de Bourgoing a Gallimard Jeunesse ; (trosiad: Alwena Williams).
Contributors: Bourgoing, Pascale de.; Williams, Alwena.; Gallimard Jeunesse (Publisher)
Series: Cyffro canfod
Publisher: Gwasg Addysgol Drake
Published: 1991
Place of publication: Caerdydd
Language: wel
Number of pages: 21
Subjects: Eggs -- Juvenile literature.; Nature study -- Juvenile literature.
Notes: Arg Ffrangeg gwreiddiol = Original French ed: Paris: Editions Gallimard, 1989.

Arg Saesneg = English edition: London: Moonlight, 1990.

Cyfieithiad o'r Ffrangeg = Translation from French.