Iaith, cynllunio a thai yng Ngwynedd
Subtitle: memorandum at Ysgrifennydd  Gwladol Cymru = Language, planning and housing in Gwynedd : a  memorandum to the Secretary of State for Wales.
Publisher: Adran Cynllunio Gwynedd = Gwynedd Planning  Department
Published: 1988
Place of publication: Caernarfon
Language: wel
Notes: Text in Welsh and English.