Family papers of the Williams family of Castell Deudraeth, 1859-1929, including a bound volume containing papers, including letters and press cuttings, relating to the general election of 1859 in Merionethshire in which David Williams stood as a Liberal against the sitting Conservative Member W. W. E. Wynne of Peniarth; scrapbooks, 1903-1929, containing press cuttings concerning the family, notably Sir Arthur Osmond Williams, and two typescript essays.