Cover image not available
Teitl o'r clawr = Cover title.
"Nodiadau i'r athro - addysg rhyw - cyfnodau allweddol 3 a 4 - teledu" - clawr = cover.
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Secs-i by Shôn Devey. Published by BBC Cymru in 1998. Publication and catalogue information, links to buy online and reader comments.