Home › Authors › Derek R. Williams Derek R. Williams b. 1949 ยท 4 books Books by Derek R. Williams Following 'An Gof' 2020 Williams, the Llawnt Williams, the Llawnt 2013 Cornubia's son Cornubia's son 2008 HENRY AND KATHARINE JENNER: A HENRY AND KATHARINE JENNER: A CELEBRATION OF CORNWALL'S CULTURE, LANGUAGE AND IDENTITY; ED. BY DEREK R. WILLIAMS 2004