Eleven letters, May 1892, to T. E. Ellis, MP, concerning the accuracy of Welsh place names on Ordnance Survey maps and the submission of evidence to the Departmental Committee on the Ordnance Survey. The correspondents include J. Gwenogfryn Evans, D. Silvan Evans, John Edward Lloyd (2), Egerton Phillimore and G. J. Williams.

Seven letters, 1937-1964, from artist and writer David Jones, Harrow, to the Catholic author and editor Donald Attwater, in which he discusses In Parenthesis and The Anathemata (ff. 23, 24, 28 recto-verso, 29 verso, 32), Welsh history (ff. 24 verso, 27 recto-verso), Welsh place names (ff. 26 verso-27, 29 recto-verso, 30 recto-verso), Cornwall (ff. 29 verso, 30 verso), the Biblical place name Calvary or Golgotha (ff. 30 recto-verso), the attitude of the French authorities to the Breton language (ff. 31 recto-verso), and his inability to learn languages, in particular Welsh (ff. 25, 31 verso).

A tabular view of Welsh and other churches in which the name 'eglwys' is found, with questionnaires, and correspondence, including letters by John Ballinger, 1904; E. Edwardes, Caersws, 1902; H. C. Davies, Cowbridge, 1901-1902; D. E. Jenkins, Denbigh, 1904; M. H. Jones, Carmarthen, 1904; Thomas Jones, Cilcennin, 1901; W. Arthur Jones, Wrexham, 1901; Edmund McClure, 1905; Henry Morgan, Eglwysilan, 1901; and W. H. Sinnett, Crickhowell, 1905.

Notes on place names, mainly in Wales.

A collection of press cuttings of etymological interest compiled by 'Myrddin Fardd', with notes on Welsh names and terms by him.

Miscellaneous notes on Welsh place names, notes on 'Enwogion' and press cuttings compiled by ?'Myrddin Fardd', with a postcard addressed to 'Myrddin Fardd' from 'Ioan Eifion'.

An account of the early history of Wales and notes on Welsh place-names, literature, etc.

A volume, [16 cent., second ½], probably in the hand of Thomas Powell (d. 1588), Parc y Drewen, Whittington, co. Salop, containing a much shortened text of Humphrey Lhuyd's English version of Brut y Tywysogion, upon which version David Powel based his Historie of Cambria, now called Wales ... (London, 1584) (see Brut y Tywysogion ..., ed. by Thomas Jones (Cardiff, 1952), pp. xiv-xviii). Omissions mainly involve passages relating to events outside Wales, church affairs and the papacy, anecdotes, explanations of Welsh personal and place-names, and the arguments against Polydore Vergil. Three other copies are known: BL, MS Cotton Caligula A VI; Oxford, Bodleian Library, Ashmolean Museum MS 847; and NLW, Llanstephan MS 177. Also included are a pedigree of the kings and princes of North Wales from Cadwaladr to Llywelyn ap Gruffudd (ff. iv-v verso), a painted coat of arms of Cadwaladr (f. 1), and an index of personal and place-names (ff. 168-70 verso). Six lines of English verse are added in a contemporary hand on f. 171 verso.

A mutilated index (place and personal names) to a manuscript of Welsh pedigrees, together with an incomplete index of Cheshire names.

This series comprises letters written mostly by friends and acquaintances whilst she was in hospital at Hereford, including many letters written to her by the Rev. F. E. Llewellyn Jones. There are three letters relating to her enquiries into the meaning of Welsh place-names with a notable contribution from Prof. Melville Richards, UCNW Bangor, and two letters connected with the research and publication of her article 'Notes Concerning Gypsies'.

An alphabetically-arranged list of place-names, mainly in Wales, with notes and references.

Miscellanea in prose and verse, including 'News from Babel or ye Conventicle alamodu ... Vavasor Powell and his gang'; extracts from theological works; 'Rudimenta linguae Hebraicae'; lists of place names in Wales; an English vocabulary; etc.

Notes on Monmouthshire and other place names mainly in the form of replies to queries sent by Daniel Lleufer Thomas, together with letters to him on the same subject from Sir Joseph Bradney, Llywarch Reynolds, T. Wilkes of the Ordnance Survey and James G. Wood, Lincoln's Inn.

'Crynolion Hanesyddol Dyfed, Geirdarddiaeth', being miscellaneous notes by David Owen Thomas on the etymology of Welsh words and on place names and personal names, together with extracts from Irish literature, with translations, and from miscellaneous sources.

An imperfect volume containing rough pedigrees of the families of Birt of Llwyndyrys, Blome of Carmarthen, etc., Brigstocke, Parkinson of Crickhowell, Leach of Corston, Vaughan of Golden Grove, etc., Hoare, Browne of Upton, co. Chester, Tenison, Nares, Jones of Fonmon, Thomas of Cwm, Llangynog, Llewellyn of Penlle'r-gaer, Griffies Williams of Llwyn-y- wermwood, Griffiths of Penwern, Llandysul, Charles of Bala, Williams of Gwernyfed and of Tal-y-llyn, co. Brecknock, etc., Thomas of Llanfair, Llandysul, Foley of Ridgeway, Fortescue, Stedman, Spicer, aft. Jones, of Abercothi, and others. The family trees are supported by extracts from printed sources, e.g., J. Foster Alumni Oxonienses . . (Oxford, 1888-1892), from the Golden Grove MS, from ecclesiastical probate records, from private sources, e.g., members of the Brigstocke families and W. G. Stedman Thomas, from family Bibles, from an armorial at Blaenpant written by David Edwards, Rhydygors, circa 1687, from an undated valuation of tenements and lands in the parish of Llanllawthoge, from parish registers of Kidwely, Llandygwydd, Laugharne, Llangyndeyrn, St. Ishmaels, Llanwinio, St. Peter's (Carmarthen), St. Clears, Abergwili, and Croydon, etc. There are also etymological notes on place- and personal names in England and Wales. Among the insets and paste-downs are a letter from John Davies, Lampeter, to [Alcwyn C.] Evans, 1901 (the pedigree of the family of Griffiths of Penwern, Llandysul), and typescript pedigree notes and extracts with additions, 1901, in the hand of W. J. E[vans, Principal of the Presbyterian College, Carmarthen].

An essay entitled 'Enwau Dysgogan gwahanol Ardaloedd, a'u hystyron' by 'Myrddin Fardd'.

Notes on Welsh place names by Meredith J. Hughes, arranged alphabetically, with extracts from Welsh poetry.

Correspondence with the Ordnance Survey about Welsh place names, 1967-1978; together with some correspondence with local authorities about the Welsh names of new schools, 1968-1978.

Darlithoedd a nodiadau ar enwau priod ac enwau lleoedd yng Nghymru yn bennaf. Mae'r ffeil hefyd yn cynnwys proflenni'r gyfrol Rhestr o enwau lleoedd (Caerdydd, 1958). Roedd G. J. Williams yn un o'r rhai a fu'n cynghori Elwyn Davies, golygydd y gyfrol, ynglŷn â'r gwaith.