Seidr
Subtitle: diod gadarn yr afallen : hanes yr arferiad o wneud seidr cartref mewn rhai ardaloedd o Gymru
By: John Williams-Davies.
Series: Llyfrau Llafar gwlad -- 2
Publisher: Gwasg Carreg Gwalch
Published: 1986
Place of publication: Llanrwst
Language: wel
Number of pages: 45
Subjects: Cider industry -- Wales.
Notes: Bibliography, p45.