A Century of Devolution Documents from Wales
Also see the Devolution Timeline.
Saunders Lewis, The Banned Wireless Talk on Welsh Nationalism (Caernarvon: Swyddfa'r Blaid Genedlaethol, c.1930)
Gwilym O. Griffith, The New Wales: Some Aspects of National Idealism with a Plea for Welsh Home Rule (Liverpool, Hugh Evans & Sons, 1913)
Gwynfor Evans, Wales as an Economic Entity (Cardiff: Plaid Cymru, 1960?)
Cardiff Branch of the Communist Party pamphlet
Communist Party of Great Britain, Make Cardiff a Capital City (Cardiff: Cardiff Branch of the Communist Party, 1937)