Y bedwaredd gainc
By: Dafydd Glyn Jones.
Series: Darlith flynyddol Llyfrgell Penygroes -- 1987
Publisher: Cyngor Sir Gwynedd, Gwasanaeth Llyfrgell
Published: 1988
Place of publication: (Caernarfon)
Language: wel
Number of pages: 39
Other titles: Pedwaredd gainc.