Miscellaneous deeds and documents, mainly relating to properties in co. Card., 1675-1902, co. Caern, 1546-1860, co. Carm., 1702-1914, co. Denb., 1575-1850, co. Flint, 1770-1776, co. Glam., [13 cent.?]-1924, co. Mer., 1598-1890, co. Mont., 1465-1877, co. Mon., 1630-1775, co. Pemb., 1753-1930, co. Rad., 1706-1840, Cheshire, 1703-1789, Gloucestershire, 1656-1788, Herefordshire, 1594-1772, Shropshire, 1710-1809, and Ireland, 1671-1922.

Rev. William Griffiths's journals, 1816-1855; printed diaries, 1837, 1843-1845, 1850-1851; a 'day book' or diary, 1854-1861, with additional entries at the end by his son; a notebook of autobiographical data upon which his book Gower memories of William Griffiths (Aberaeron, 1957) is based; personal letters, 1825-1849; miscellaneous letters, 1840-1860; printed copies of reports and notices of general meetings of the Glamorgan Banking Co., 1845-1858; sermon notes, 1817-1861; notebooks relating to subscriptions for Bethesda Church, Gower, 1838-1843; translation of Robert Jones, Drych yr Amseroedd; letters, 1851-1882, addressed mainly to William Griffiths [junior] at Aberaeron, and an account book, 1849-1855, relating to his business at Aberaeron; and correspondence of Miss A. G. Jones relating to the Rev. William Griffiths, 1948.