Hynt a helynt yr iaith
Subtitle: hanes yriaith Gymraeg drwy'r oesoedd
By: Robin Gwyn.
Contributors: Gwynedd (Wales). Education Authority.; University College of Wales. Resources Centre.
Publisher: CAA
Published: 1988
Place of publication: (Aberystwyth)
Language: wel
Number of pages: 67
Subjects: Welsh language -- History.
Notes: 'Project treftadaeth a diwylliant Awdurdod Addysg Gwnedd'.