Y darlithydd a'r hanesydd Yr Athro Martin Johnes sy'n sgwrsio gyda Beti George. Lecturer and historian Professor Martin Johnes chats to Beti George. Show more
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Y darlithydd a'r hanesydd Yr Athro Martin Johnes sy'n sgwrsio gyda Beti George. Lecturer and historian Professor Martin Johnes chats to Beti George. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
