Thirty-five holograph and autograph letters, and one holograph postcard, 1893-1935 and undated, written to D[aniel] Lleufer Thomas. The writers include the Rev. J[ohn] Bodfan Anwyl, The National Library of Wales, Aberystwyth, 1930 (problems relating to the compiling of the [University of Wales's projected] dictionary [of the Welsh language]); R. Brudenell Carter, [London], 1907 (an enquiry concerning Colonel Carter, mentioned in recipient's article on Sir Roger Mostyn in the Dict[ionary] of National Biography); Professor F[rancis] A[lexander] Cavenagh [professor of Education, University College], Swansea, 1927 (forwarding copies of articles on Griffith Jones [of Llanddowror, published in The Journal of Adult Education, September 1926, March 1927], the possibility that the articles would be published in book form [The Life and Work of Griffith Jones of Llanddowror (Cardiff, 1930)], an intended review of the articles by the Rev. M[organ] H[ugh] Jones in The Welsh Outlook [see vol. XIV, pp. 245-7]); John Davies, Aberystwyth, [n.d.] (enclosing a copy of an unspecified work, some sixty copies of which had been reprinted at the writer's instigation [probably Myfyrdod mewn Mynwent. Ad-Argraffiad o'r Argraffiad Cyntaf, 1798 (Aberystwyth, 1927), being a reprint of the translation by David Davis, Castellhywel, of Thomas Gray's 'Elegy written in a Country Churchyard', published in 1798]); Archdeacon A[lbert] Owen Evans, Bangor, 1930 (a request for suggestions with regard to an address on 'Some Welsh Agricultural Writers', which the writer was preparing for delivery at Bangor); Beriah [Gwynfe Evans], Carnarvon, 96 (thanking recipient for [a copy of] the appendices compiled by him [Bibliographical, Statistical, and other Miscellaneous Memoranda, being Appendices to the Report of the Royal Commission on Land in Wales and Monmouthshire (London, 1896)], congratulating recipient on the work, an article on the Welsh peasantry ['The Peasantry of South Wales'] contributed by the writer to Longman's Magazine [July 1885]); E. H. Fallaize (Hon. Secretary, Royal Anthropological Institute), Enfield, 1921 (a meeting at which Sir Alfred Davies would give an 'account of the Welsh scheme for collecting rural lore', hopes that recipient would attend and speak, information about books, etc., on anthropometric work); Edw[ard] Griffith, Dolgelley, 1915 (information concerning the parliamentary representation of Merioneth, 1545-nineteenth century); Owen Griffith, Cardiff, 24 (an invitation to recipient to write a pamphlet on 'Public Life', for a proposed second series of Traethodau'r Deyrnas); Tho[ma]s Hodgkin, Barmoor Castle, Northumberland, 1911 (forwarding a copy of an address on Cornwall and Brittany, given by the writer in Falmouth); H[arold] A[ugustus] Hyde, Department of Botany, National Museum of Wales, Cardiff, 1931 (2) (the writer's study of the botanical exploration of Wales in connection with a proposed Museum publication on the Welsh flora, the value of recipient's appendix to the Report of the Royal Commission on Land ... [see letter from Beriah Gwynfe Evans above], in connection therewith, the writer's desire to trace an unpublished work by William Morris entitled 'Collection of plants gathered in Anglesey', his intended publication of Samuel Brewer's diary [published, 1931, as a reprint from the report of the Botanical Society and Exchange Club, 1930]); D[avid] Emrys James, Swansea, 1930 (personal, forwarding a copy of the writer's Rhymes of the Road [(London, 1928)]); [the Rev.] Lemuel [John] James, Ystrad Mynach Vicarage, 1907 (enquiries concerning a descendant of Taliesin ab Iolo [Taliesin Williams, poet and author], with a view to tracing his manuscripts, a second edition of the poems of Lewys Hopkyn being prepared by the writer); R[obert] T[homas] Jenkins [later professor of Welsh History, University College, Bangor], Cardiff, 1929 (points relating to the writer's book [Hanes Cymru yn y Ddeunawfed Ganrif (Caerdydd, 1928)], praise for recipient's 'Land Commission Appendix' [see letter from Beriah Gwynfe Evans above], the writer's need to consult a copy of recipient's memorandum on the Welsh woollen trade); A. Gray Jones, Ebbw Vale, 1926 (2) (a book by 'Ignotus' published by Longman's sixty years previously [?'Ignotus': The Last Thirty Years in a Mining District ... (London, 1867)], and enquiries as to the identity of the author (Captain Russell)); Evan Jones, Llanwrtyd Wells, 1899 (2) (attempts to find a copy of Rees Prydderch Gemmeu Doethineb ..., for recipient, and the locating of two copies); Ifano Jones, Y Llyfrgell Gymreig, Cardiff, 1924 (references to manuscript and printed sources, ?in connection with a query about the place-name Radyr); Tom Jones, Trealaw, Rhondda, 1932 (forwarding an offprint of 'Bibl. ar P. N. Wales (Second Instalment)' [i.e., of the writer's article 'A Bibliography of Monographs on the Place-Names of Wales (Second Instalment)', B.B.C.S., vol. VI, pp. 171-8], the possibility of a third instalment); D[avid] Morgan Lewis [professor of Physics, University College, Aberystwyth], Aberystwyth, 1904-1935 (2) (personal, the writer's memoir of his father [Cofiant y Diweddar Barchedig Evan Lewis, Brynberian (Aberystwyth, 1903)], an article by the writer on 'Morgan Rhys a'i Gyfnod', Y Cofiadur [Rhifyn Dwbl 10 a 11, Mawrth 1934, pp. 34-51]); Timothy Lewis, Aberystwyth, 1929-1931 (3) (drawing recipient's attention to a printed brochure (on the back of which the first letter is written), announcing the intended publication by the writer of a series of ten volumes, to be called 'Cyfres Hywel Dda', and consisting of works on medieval Welsh bardism and culture, texts of medieval Welsh law, poetry, etc., the intention of publishing the first volume, Beirdd a Bardd-Rin Cymru Fu, in July 1929, promised financial support for the project which had not materialised, the writer's decision to publish [at his own expense], the writer's awareness of the fact that he was attacking accepted ideas, and his belief that he was opening up new paths for students of Welsh (March 1929), acknowledgement of recipient's support [for the first volume], regrets that the 'Marchog o Fangor' [Sir John Morris-Jones], had died before being able to express his views [on Beirdd a Bardd-Rin], the writer's belief that, if the main theme of the volume was correct, then the contents of [Sir John Morris-Jones'] Cerdd Dafod had to be rejected, additional material which the writer had collected (September 1929), informing recipient of the appearance of the second volume in the series [Mabinogi Cymru (Aberystwyth, 1931)], and enclosing a printed brochure relating to the work (November 1931)); William Little, Stags Halt, March, 1893 (queries regarding statistics in recipient's 'Dolgelly Report'); David Oliver, Cambridge, 193[?] (personal, dates of death of the writer's father and two uncles); Henry Oliver, Bristol, 09 (personal, recipient's appointment as stipendiary magistrate in Pontypridd); D[avid] Rhys Phillips, Swansea, 1929 (2) (information concerning the writer and his family, ?in connection with an application for a post at the National Library of Wales); [the Rev.] W[illiam] J[ohn] Rees, Alltwen, Pontardawe, 1931 (recipient's appreciation of the writer's article ['Y Parch. William Rees, Llechryd'] in Y Tyst [Mawrth 26, 1931], and his suggestion that William Rees's works should be collected and deposited in the National Library, congratulations to recipient on the honour conferred upon him [a knighthood, January 1931]); W[illiam] J[ames] Roberts [professor of Economics], University College, Cardiff, 1931 (the writer's 'little book' [?Egwyddorion Economeg (Caerdydd, 1930)], a copy of which he was sending to recipient, congratulations to recipient [on his knighthood]); David Salmon (principal), Training College, Swansea, 1917 (an enquiry as to whether 'the John Evans who libelled Griffith Jones, and the John Evans who superintended the Welsh Bible of 1769', were the same person [see The Dictionary of Welsh Biography, under Evans, John (1702-82)]); and Isaac J[ohn] Williams, National Museum of Wales, Cardiff, 1924-1933 (2) (enquiries relating to Edward Davis, a nineteenth century Carmarthenshire sculptor).