A copy of Cyfarchiad Gostyngedig at Grist'nogion Cymru o bob Enw oddiwrth Gymdeithas Llundain; Yr hon a sefydlwyd yn Mawrth 1, 1810 i'r dyben i ddwyn yn mlaen Grist'nogaeth yn mysg yr Iddewon ... (London [1811]), including particulars of Joseph Samuel C[hristian] F[rederick] Frey's [1773-1850] preaching engagements on his tour through North Wales, 7 July - 4 August 1811. There are manuscript additions in the form of 'englynion' and other verses.

Printed programmes, circulars, etc., 1866-1929, preserved by John Burrell and relating mainly to cultural and other activities of certain members of the London-Welsh community, particularly in connection with 'Cymdeithas y Brythonwys' ('The Cambro-Briton Society'). There are also papers and circulars issued by the Calvinistic Methodist churches of London, material relating to the Welsh Hospital for South Africa and the National Eisteddfod of Wales held in London, 1887, papers referring to military, educational and political activities, etc.

Letters and circulars, 1886-1900, relating to 'Cymdeithas y Brythonwys' ('The Cambro-Briton Society'), London, most of them being addressed to John Burrell. Among the numerous correspondents are Judge Ivor Bowen [d. 1934], Morgan Davies, W[illiam] Cadwaladr Davies [1849-1905], Sir Owen M[organ] Edwards [1858-1920], T[homas] E[dward] Ellis [1859-1899], Sir E. Vincent Evans [1851-1934], Sir Ellis Jones Griffith [1860-1926], J. Elias Hughes, Sir Lewis Morris [1833-1907], Sir T. Isambard Owen, T. Woodward Owen, Sir John H. Puleston [1829-1908], Lewis W. Roberts, R[obert] D[avies] Roberts [1874-1940], T[homas] F[rancis] Roberts [1860-1919], Sir W. Bowen Rowlands, D[avid] A[lfred] Thomas (afterwards viscount Rhondda) [1856-1918], W[illiam] ['Glanffrwd'] Thomas [1843-1890] and Sir Thomas Marchant Williams [1845-1914]. There is also a group of letters dealing with inquiries from the Reverend John Owen, Mold and others relating to the number of Welsh people resident in London who were or were not associated with places of worship.

A scrap-book of literary and historical press cuttings, c. 1896-1900, compiled by J. H. Davies. The titles include, 'London Welsh Jottings', 'Ysgrifenydd y Cyffes Ffydd', 'A Great Welsh Soldier' [i.e. Owen Lawgoch], 'Pererindod yn Nhyddewi', 'Story of the Revolt of Llewelyn Bren', 'Cyfres yr Hen Gerddi', 'Gohebiaeth Awdwr "Cathl y Gair Mwys", 'Darganfyddiad Llenyddol yn yr Amgueddfa Brydeinig. Cywydd Anghyhoeddedig o Waith Goronwy Owen', 'Dewiniaid Dyffryn Clwyd', 'Kruger a'r Cynghorwr Sirol Cymreig', 'Ymwelydd hynod o New Zealand. Maori yn Medru Cymraeg', 'Breuddwyd Nos Wyl Dewi', 'Llenyddiaeth y Flwyddyn' (by J. H. Davies), 'Peter Williams', 'Lloffion Llenyddol', 'Bedd Dafydd ap Gwilym', 'Hen Ddewiniaid Cymru', 'Straeon Hen Gymry Llundain', 'Yn Amsang ein Tadau' and 'Old Pembroke Families' (both by Henry Owen, Poyston), 'Taith i Ardal Twm Sion Catti', 'Cywydd Coffadwriaethol i'r diweddar T. E. Ellis, As' (by [William Powell] 'Gwilym Pennant', London) 'Crogi'r Lleidr Defaid a Melldith Gwrach Dyffryn Aeron', 'Hela Owen Lawgoch', 'Gwrdd y Cymru Fyddion', 'Athrofeydd y Methodistiaid', 'Cynghorau Lleol Cymru', 'Welshmen in Patagonia', etc.

Papers of and collected by T. J. Evans, 1843-[c. 1950] , comprising materials of Welsh interest, such as press cuttings, notebooks and research notes, relating to subjects such as various eminent Welshmen, London Welsh, the establishment and early development of the National Library of Wales and Welsh orthography; and including volumes containing poetry and papers relating to poetry, composed by T. J. Evans and other poets; and correspondence.

Welsh School, Ashford, and British Charity School, Board of Governors and trustees minutes, 1718-1848; House Committee minutes, 1830-1905; cash books and financial records, 1792-1905; applicants books, 1826-1844; correspondence and papers, 1760-1904; correspondence and records of the Society for the Diffusion of Useful Knowledge in Wales, 1849-1851; correspondence relating to Llandaff Diocesan Commitee, 1849; and deeds and legal correspondence relating to lands in Ashford, Middlesex, 1845-1893; minute books of the Society of Ancient Britons, 1823-1856, and of the Cymmrodorion, 1828-1849.

A further deposit of papers comprising committee minute books (5), 1905-1987; household wages books (4), 1949-1958; accounts books (3), 1846-1974; receipts and payments books (7), 1813-1963; apprenticeship book, 1852-1853; letters book, 1839-1849; Schoolmistress report book, 1868-1882; attendance and fee register, 1923-1940; confirmation book, 1916-1964; school reports, 1848-1873; house mark book, 1941-1956; House Committees visiting book, 1880-1891; cash books (3), 1932-1956; general fund book, 1949-1958; inventory and valuation book, 1946; school numbers book, 1945-1957; and an investments book, 1940-1949.

Papers, [1939]-2007, pertaining to the school, accumulated by Jacqueline Flindall, a former pupil of the Welsh Girls' School, including letters and items relating to the 150th anniversary celebrations in 2007.