Teitl clawr = Cover title.
CDT trwy gyfrwng y Gymraeg : defnyddiau dysgu dan nawdd Cynllun Gwerslyfrau ac Adnoddau CBAC by Welsh Joint Education Committee. Published by Adran Gymraeg, Cyd-bwyllgor Addysg Cymru in 1988. Publication and catalogue information, links to buy online and reader comments.