Welsh Mabinogion
You have found the way to Mabinogion on Welsh:
Google Books: Folklore Studies - Facsimile of 1878 book containing a monograph on Mabinogion studies by Alfred Nutt.
Google Books: From the Llyfr Coch O Hergest, and Other Ancient Welsh Manuscripts, Part 3 - Facsimile of Charlotte Guest's translation.
The Mabinogion - Stories from the classic text, in the translation of Lady Charlotte Guest.
The Mabinogion - Background information and texts, as translated by Lady Charlotte Guest.
Wikipedia: Mabinogion - Introductory article. Help build the largest human-edited directory on the web.