'For Wales our Country' - Arwel Vittle, co-author of a new book on the foundation of Plaid Cymru, 'Dros Gymru'n Gwlad', discusses how a group of young people founded the party in 1925 and why it didn't it happen earlier?
* 'Dros Gymru'n Gwlad: Hanes Sefydlu Plaid Genedlaethol Cymru', Arwel Vittle a Gwen Angharad Gruffudd -
* Dros Gymru'n Gwlad (Finlandia) - https://www.youtube.com/watch?v=NViE2h0_1PY
* ‘Putting Wales First’ by Richard Wyn Jones
