A collection comprising correspondence, legal papers, press cuttings and other material relating to the Wladfa Gymreig in Patagonia, including material relating to Cwmni Masnachol Camwy; journals of Llwyd ap Iwan and an account by him of the Chubut Valley.

Portions of the manuscripts of three published works by D. S. Davies relating to the Welsh colony in Patagonia.