Of the brythonic Re-birth Doctrine as philosophically expounded in Barddas, mention has already been made.
"The Fairy-Faith in Celtic Countries"
W. Y. Evans Wentz
In due order the proper sort of witnesses will substantiate this position, but before coming to their testimony we may now say that there are men and women in Dublin, in other parts of Ireland, in Scotland, in the Isle of Man, and in brythonic lands too, whom all the world knows as educated leaders in their respective fields of activity, who not only declare their belief that fairies were, but that fairies are; and some of these men and women say that they have the power to see fairies as real spiritual beings.
"The Fairy-Faith in Celtic Countries"
W. Y. Evans Wentz
It has, it is true, its own peculiar psychic atmosphere, different, no doubt, because its people are brythonic Celts rather than Gaelic Celts.
"The Fairy-Faith in Celtic Countries"
W. Y. Evans Wentz