Rhan 10, Atodiadau
Rhan 9, Hanesion Llafar: "Public Performance", ...
Rhan 8, Hanesion Llafar: "The Welsh Bible", ...
Rhan 7, Hanesion Llafar: "School"
Rhan 6, Hanesion Llafar: "Home and Community" ...
Rhan 5, Hanesion Llafar: "Home and Community"
Rhan 4, Hanesion Llafar: "Language", "Naming", ...
Rhan 3, Hanesion Llafar: "Leaving Wales", ...
Rhan 2, "Participants", "Historical Overview",...
Rhan 1, Deunydd Rhagarweiniol
