Papers of Gwenfron Moss, 1920-1983, comprising letters, 1928-1964, from her to her family; journal letters giving an account of her voyages to China and India; circular letters and other printed material, 1920-1983; scripts, correspondence, contracts and other material, 1966-1979, relating to her broadcasts on radio and television; photograph albums; holiday diaries, 1966-1972; certificates and addresses presented to her, 1920-1964; and papers relating mainly to her work with the London Missionary Society in China and India, 1928-1964, including diaries, 1930-1938; correspondence, 1958-1972; and papers relating to deputation work and other public engagements, 1934-1977.

Letters, 1883-1928; diaries, 1923-1932; biographical materials of Welsh interest; sermons; addresses and papers on religious, moral, political and historical subjects, including Congregationalism; poetry, including hymns; and papers relating to the history of Ebenezer Welsh Congregational Church, Cardiff, and to his biography of Griffith John, missionary to China, including letters from him, 1889-1894, and proof copies of Griffith John, D.D.: Arwr China.

Commonplace book, 1876-1893, of the Rev. Dr William Hopkyn Rees, a missionary in the North China, LMS, mission field, containing Welsh and English verse; sermon and other notes; quotations and maxims; and personal memoranda.