Ysbrydion a dirgelion.
Contributors: Schools Council.; Cymraeg fel Iaith Gyntaf yn yr Ysgol Uwchradd (Project)
Series: Gorwelion
Publisher: (Gwasg y Dref Wen ar ran y Cyngor Ysgolion
Published: 1982
Place of publication: (Cardiff)
Language: wel
Number of pages: 158
Subjects: Welsh language -- Readers.