- Letters
- Is-is-is-fonds
- 1783-1973.
Dangos 108 canlyniad
Disgrifiad archifol- M. H. Jones Papers
- Is-is-is-fonds
- 1888-1930.
- Memorial cards
- Is-is-is-fonds
- 1954-1995.
Memorial cards of ministers and others. Arranged alphabetically by name.
Miscellanea and correspondence relating to Trevecka letters and Coleg Trefeca,
- Miscellanea and correspondence relating to Trevecka letters and Coleg Trefeca
- Is-is-is-fonds
- [1840x1968].
- Miss Gwen Rees Roberts
- Is-is-is-fonds
- 1904-1994.
A photograph and a number of postcards have been transferred to the Department of Pictures & Maps.
- Mission Board
- Is-is-is-fonds
- 1943-1988.
- Notebooks
- Is-is-is-fonds
- [c.1767]-1902.
Other regional histories of the cause arranged by county,
- Other regional histories of the cause
- Is-is-is-fonds
- [post 1807]-1971.
Histories of identifiable individual chaples will be found under those chapels in CMA E, capeli ac ysgoldai unigol (individual chapels and schoolrooms).
- Owen Prys Papers
- Is-is-is-fonds
- 1801-1935.
Papers of Rev. John Owen, Anfield,
- Papers of Rev. John Owen, Anfield
- Is-is-is-fonds
- 1892-1931.
- Papers of Rev. Thomas Edwin Pugh & Mrs Elizabeth Ellen Pugh, Shillong
- Is-is-is-fonds
- 1848-1977.
Elizabeth ('Lizzie') was a native of Ponterwyd, co. Card. See also CMA G6, papers relating to Mrs Elizabeth Ellen Pugh (née Morgan, 1882-1977).
Pedigrees, genealogies and biographies,
- Pedigrees, genealogies and biographies
- Is-is-is-fonds
- 1752-1984.
- Poetry
- Is-is-is-fonds
- [post 1820]-[1940].
Preaching licences, oaths of allegiance, and superintendents' certificates,
- Preaching licences, oaths of allegiance, and superintendents' certificates
- Is-is-is-fonds
- 1793-1883.
- Press cuttings
- Is-is-is-fonds
- 1907-1934.
- Properties Board
- Is-is-is-fonds
- 1892-1985.
- R. J. Rees Papers
- Is-is-is-fonds
- 1919-1935.
Papers, letters, press cuttings, etc., mainly relating to the Reconstruction Commission of the Presbyterian Church of Wales and the C.M. Parliamentary Bill, documented also in nos. 61-74, 134-217 and in the papers of Dr E.O. Davies, especially his letters (nos. 3539-5389) and press cuttings (nos 5390-5516).
Rev. Dr Gomer Morgan Roberts Papers,
- Rev. Dr Gomer Morgan Roberts Papers
- Is-is-is-fonds
- 1933-1982.
Rev. Dr John Owen (1864-1953), Caernarfon and Morfa Nefyn,
- Rev. Dr John Owen (1864-1953)
- Is-is-is-fonds
- 1843-1979.
Rev. Dr Thomas Charles Williams, Menai Bridge,
- Rev. Dr Thomas Charles Williams, Menai Bridge
- Is-is-is-fonds
- 1840-1969.