Glaw
By: (cynhyrchwyd gan M. Williams ar ran tîm project y Cyngor Ysgolion ; cyferwyddwr y project Merfyn Griffiths ; dirprwy gyfarwyddwr G. Wyn Owens ; eglurebau gan Peter Bailey).
Contributors: Williams, M. 1948-; Griffiths, Merfyn.; Owens, G. Wyn.; Bailey, Peter, 1946-
Series: Holi ac arbrofi
Publisher: Hodder and Stoughton (ar ran) Cyngor Ysgolion
Published: 1975
Place of publication: London
Language: wel
Number of pages: 18
Subjects: Rain and rainfall -- Juvenile literature.