Codi mhac o'r Dyffryn
By: gan Idwal Jones.
Series: Darlith flynyddol Llyfrgell Penygroes ; 1976-77
Publisher: Cyngor Sir Gwynedd Gwasanaeth Llyfrgell
Published: 1977
Place of publication: Caernarfon
Language: wel
Number of pages: 23
Subjects: Nantlle Valley, Wales.
Notes: Bibliography: p. 23.