Cymru lân
Subtitle: gwarchod ein hamgylchfyd yn y saithdegau
By: Tom Pritchard.
Contributors: British Broadcasting Corporation.
Publisher: British Broadcasting Corporation
Published: 1970
Place of publication: Llundain (London)
Language: wel
Number of pages: 24
Subjects: Wildlife conservation -- Wales.
Genres: Wales.
Notes: 'Darlledwyd ar BBC Cymru Radio 4, 16 Tachwedd 1970, 8.30-9.15p.m.'.