2 volumes of correspondence. A volume of 46 miscellaneous letters, written to and from various individuals, including John Elias and John Hughes of Llannerch-y-medd, 1786-1866. A volume of transcripts of 109 letters by John Elias, a number of which are addressed to his son, John, c. 1813-1839.
Llwyn Idris Papers, being the papers of the family home of John Elias. These include sermon notes, letters, newspaper cuttings and lecture notes, 1879-1922.
Also included are notes of sermons held at Amlwch, a history of the religious cause in Bethesda, Cemaes, Anglesey by Robert Williams and jocular verses written in response to Breuddwyd Arfon who wrote in Y Dysgedydd, 1827.