The Welsh Office and Caernarfonshire Ychwanegu i'r clipfwrdd S4/19 Ffeil 1966 Rhan oLord Goronwy-Roberts Papers
The Welsh Office and Caernarfonshire Ychwanegu i'r clipfwrdd S4/18 Ffeil 1964-1966 Rhan oLord Goronwy-Roberts Papers