Manuscripts and papers, 1862-[1892x1900], of or relating to Lewis Jones, pioneer of the Welsh colony in Patagonia. They comprise journals, 1862-1863, of Lewis Jones recording his exploratory visit to Patagonia; material relating to the imprisonment, 1882-1883, of Lewis Jones and R. J. Berwyn whilst attempting to defend the rights of Welsh settlers; an essay, poetry and plays by Lewis Jones; and correspondence, 1862-1892, mainly relating to the Welsh colony.