- Accounts
- Is-is-is-fonds
- 1827-1927.
Dangos 108 canlyniad
Disgrifiad archifol- Press cuttings
- Is-is-is-fonds
- 1907-1934.
Pedigrees, genealogies and biographies,
- Pedigrees, genealogies and biographies
- Is-is-is-fonds
- 1752-1984.
- Poetry
- Is-is-is-fonds
- [post 1820]-[1940].
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).
General Assembly treasurer's correspondence and miscellaneous financial papers,
- General Assembly treasurer's correspondence and miscellaneous financial papers
- Is-is-is-fonds
- 1956-1984.
- 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).
- Daniel Rowland, Llangeitho
- Is-is-is-fonds
- 1742-[c.1944].
David Williams (1877-1927) papers,
- David Williams (1877-1927) papers
- Is-is-is-fonds
- 1889-1967.
W. H. Williams, Prestatyn, Papers,
- W. H. Williams, Prestatyn, Papers
- Is-is-is-fonds
- 1932-1970.
Rev. Dr Gomer Morgan Roberts Papers,
- Rev. Dr Gomer Morgan Roberts Papers
- Is-is-is-fonds
- 1933-1982.
- 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.
- Memorial cards
- Is-is-is-fonds
- 1954-1995.
Memorial cards of ministers and others. Arranged alphabetically by name.
- Addresses
- Is-is-is-fonds
- 1859-1953.
- Diaries
- Is-is-is-fonds
- 1795-1951.
Rev. E. Dewi Davies, Llangybi, co. Card,
- Rev. E. Dewi Davies, Llangybi, co. Card
- Is-is-is-fonds
- 1833-1979.
- David Charles Davies Papers
- Is-is-is-fonds
- 1828-1912.
Trefeca College manuscripts and records (Group II),
- Trefeca College manuscripts and records (Group II)
- Is-is-is-fonds
- 1775, 1839-1972.
- David Charles Papers
- Is-is-is-fonds
- 1831-1881.
Evan Evans (Aberystwyth) Papers,
- Evan Evans (Aberystwyth) Papers
- Is-is-is-fonds
- 1834-1893.