Letters addressed to [Sir] Owen M. Edwards by J. R. Blakiston, Portmadoc, 1911, Robert Bryan, Alexandria, 1911, Daniel Davies, Ton, 1903, Robert Davies, Harlech, 1899, Evan Ellis, Bethesda, 1903, Ellis Edwards, Bala, 1906 (addressed to Master and Miss Edwards), C. M. Gayley, University of California, 1901, Agnes M. Huws, Glanamman, 1918, D. Jones ('Dewi Carno'), 1919, E. Pan Jones, Mostyn, 1901, Michael D. Jones, Bala, 1892 (written on the back of a Return of Poll for the election of Guardians in the Carmarthen Union, 1892, with a letter from William Thomas, Parkglas, on the names Llandyferi and Ferryside), Ben Morris, Aberystwyth, 1911, J. Hughes Parry, Ludlow, 1917, J. Price, Llanveigan Rectory, 1895, David Rees, Bronant, S. Rees, Swansea, Robert Roberts ('Isallt'), 1910, William Roberts, Llanllyfni, 1901, D. V. Thomas, U.S.A., H. J. Williams, Caernarfon, 1905, Isaac Jones Williams, Llandderfel, 1887, J. Williams, Wrexham, 1903, W. T. Williams ('Croesorfab'), 1903, and W. W. P. Williams, Ystalyfera, 1899.

Records from the office of D. T. M Jones & Co., solicitors, 1775-[?1940], including office correspondence, 1775-1840, of Edward Jones senior, 1775-1820, Edward Jones junior, [c. 1790]-1840, Thomas Lewis, 1793-1800, John Jones, 1805-1852 (predominantly 1845-1848), Thomas Jones, 1860-1897, and D. T. M. Jones, 1898-1933; manuscript books, 1744-1925, including letter books, 1859-1917; depositions of witnesses, 1736-1768; deeds and records of lands in Cardiganshire, Carmarthenshire, Glamorgan, Pembrokeshire and Radnorshire, [16th century]-1949, including the estates of Dinas, Brecknockshire, 1756-1949, the Gwynne family of Glanbran and Buckland, 1679-1882, Cynghordy, Carmarthenshire, 1843-1945, Abermarlais, Carmarthenshire, 1712-1923, the Lloyd family of Briwnant, Carmarthenshire, 1544-1927, Glansevin, Carmarthenshire, 1678-1914, the Herbert Lloyd estate, Carmarthen, 1805-1884, Jones Family of Ystrad estate, Carmarthen and district, 1776-1865, and Llandeilo and district, 1785-1882, Glanyrannell estate, Carmarthenshire, 1692-1919, and Honeyborough, Pembrokeshire, 1783-1923; accounts, 1782-[?1940]; manorial records, [c. 1830]-1887; papers of Roger Jones, attorney, 1565-1867, including correspondence, [c. 1750]-1772, deeds and documents relating to the practice and estate, 1565-1867, and correspondence of Rev. John Jones, 1738-1790.

A file of papers, 1979-1980, accumulated by John Jenkins relating to the claims of Llandovery College and Llandovery Town Rugby Football Club to be founder members of the Welsh Rugby Union at an inaugural meeting held at the Castle Hotel, Neath, 12 March 1881; including letters to and from John Jenkins, the Welsh Rugby Union and the historian Dr Gareth Williams; evidence provided by John Jenkins in support of Llandovery College; press cuttings and press releases.

Correspondence, 1976-1978 and 1985, between John Jenkins, a member of staff at Llandovery College, and editor of the school journal during the 1970s, and the Rev. T. H. Ward Hill, former master at the school and editor of the journal, 1924-1948, together with notes and an article by Rev. Hill for the centenary edition of the School Journal in 1977. The file includes an endowment deed for the Thomas Phillips Foundation at Llandovery, dated 25 August 1847.

Deeds, 1759-1862, relating to properties in the parishes of Llandingad, Llanfair-ar-y-bryn, Llangadog, Llansadwrn, and Myddfai, and the town of Llandovery, Carmarthenshire; and accounts, 1847-1849, of a Carmarthen draper.