Notebooks containing a list of 'Addewidion at y Gymanfa, 1839', financial details relating to the emigration of Mary Walters to America in 1867, prices of books from the library of Thomas Price ('Carnhuanawc'), 'Missionary Report' expenses, etc.

A letter, [c. 1800], from the Rev. Thomas Charles to the Rev. Dr [Thomas] Haweis, together with a photocopy of part of the letter (f. 24).

A letter, 1890, from the Rev. William Hopkyn Rees, China, to the Rev. D. Evans, Port Talbot.

A typescript register of Welsh missionaries compiled, late 1940s, by Nellie Dean of the London Missionary Society and subsequently given to the Reverend Dr W. T. Owen, containing biographical details of over a hundred missionaries.

Papers relating to the Reverend Caradoc Jones (1875-1969), Rhosllannerchrugog, who went to Paimpol in Brittany in 1920 under the auspices of the Pioneer Mission and remained there until his retirement in 1967. The papers include some 75 letters, 1937-1968, written by Caradoc Jones to Eirene Stephens together with a summary list prepared by her of these, other documents and photographs of Paimpol; her correspondence, 1978-1979, with The National Library of Wales; together with publications of Caradoc Jones and concerning him, an article, 'The Gospel in Brittany', reprinted from The Christian, 25 November 1937; an account 'Holding the fort at Paimpol' by Rev. Caradoc Jones published in The Pioneer Review, April-June 1940, Winifred M. Pearce, Knight in royal service: a brief biography of the Rev. Caradoc Jones (London, 1962); and a newsletter, March 1969, from the Pioneer Mission, containing his obituary.

Papers relating to the work of 'The Free Church Commission promoted by the National Council of Evangelical Free Churches', 1913-1914; notes entitled 'Nonconformists and Welsh Literature' and 'Adgofion am Genhadwyr'; etc.