Addysg Gymraeg : casgliad o ysgrifau.
Griffiths, Merfyn.
National Language Unit of Wales.
Caerdydd : Uned Iaith Genedlaethol Cymru CBAC,
1997.
Diweddariad o'r gyfrol a gyhoeddwyd = Updated version of volume which was published: Cardiff: Welsh Joint Education Committee, 1986
Welsh and English texts bound back to back and inverted.
Title on added t.p.: Welsh language in Education : a volume of essays. 2.
Education
Welsh language