Papers of, and relating to, Dylan Thomas, [1925x2013], collected and collated by Jeff Towns, including scripts, correspondence, programmes and papers relating to the publication of Under Milk Wood, and radio, stage, film and audio productions of the play, 1953-2005; research papers and works relating to Dylan Thomas, 1937-2006; letters by Dylan Thomas, and the letters and papers of his wife Caitlin, their three children and his parents, 1935-2007; autograph prose works, [1925x1953], and personal papers, [1929]-1960; poetry, [1928x2010], mostly comprising autograph drafts; unpublished autograph letters by Dylan Thomas, [1926]-1995; and a small group of material, 1939-[2013], including four autograph letters, 1939, from the author, relating to The map of love.

Papers of and acquired by R. Bryn Williams, mainly relating to the Welsh settlement in Patagonia, including a diary of Joseph Seth Jones, one of the first wave of emigrants on the Mimosa to Patagonia, 1865, and correspondence, 1865-1868; correspondence of his brother, Robert Charles Jones, 1867-1877; copy records of the Welsh courts in Y Wladfa, 1872-1881; letters and minute books relating to Vrondeg Baptist Chapel, 1875-1887, Gaiman, 1877-1891, Eglwys Llanddewi, 1891, Eglwys Bryn Gwyn and Cyfarfod Misol Y Wladfa (Calvinistic Methodists), 1881-1955; papers relating to the Centenary Celebrations of the Welsh settlement in Patagonia, 1952-1962; letters from the founders of the Welsh colony, 1866, and from others who had experienced life there; letters to R. Bryn Williams from Patagonia and from Wales relating to Patagonia, [c. 1941-1961]; research notes and manuscripts of books and radio plays by R. Bryn Williams, 1942-1962; miscellaneous records relating to Wales and elsewhere collected by Williams, 1865-1962; papers relating to John S. Williams, 1901-1962; papers and press cuttings on the history, culture and industry of Patagonia, 1869-1962; and typescripts of published and unpublished works, lectures, scripts, etc.