Miscellaneous papers in Welsh and English, 1822-[c.1950], mainly of Merthyr Tudful interest, accumulated by Elias Thomas, comprising poems and essays by his great-grandfather Rowland Thomas ('Idris Ddu'), his grandfather, William R. Thomas, and others, including an essay on the origin of the Cyfarthfa Ironworks by Rowland Thomas, with a translation of the same by Thomas Stephens (1821-75) of Merthyr; draft letters, articles and notes by Thomas Stephens; printed rules, 1846, of 'Cymdeithas Cadarn Graig y Cymry', Merthyr; and miscellaneous notes and press cuttings.

Papurau o eiddo J. Dyfnallt Owen neu a grynhowyd ganddo, 1863-1956, yn cynnwys pregethau; nodiadau bywgraffyddol ar weinidogion anghydffurfiol; llythyrau a phapurau eraill yn ymwneud ag achos yr Annibynwyr, 1863-1953; llythyrau amrywiol pellach, 1878-1956, rhai ohonynt yn cyfeirio at yr Orsedd yn Llydaw a Chernyw; dyddiaduron, 1897-1956; cyfraniadau ar gyfer eu cyhoeddi yn Y Tyst, etc., 1923-[1953]; sgriptiau radio, 1931-1955; pregethau, 1919; torion o'r wasg, [1872]-1954; dyddlyfrau taith, a nodiadau ar bynciau hanesyddol a llenyddol, 1901-1953. = Papers of and accumulated by J. Dyfnallt Owen, 1863-1956, including sermons; biographical notes on nonconformist ministers; letters and other papers concerning the Independent cause, 1863-1953; further miscellaneous letters, 1878-1956, some of which refer to the Gorsedd in Brittany and Cornwall; diaries, 1897-1956; contributions for publication in Y Tyst, etc., 1923-[1953]; radio scripts, 1931-1955; sermons, 1919; press cuttings, [1872]-1954; travel journals, and notes on historical and literary subjects, 1901-1953.

Manuscripts of Berta Ruck, [c. 1890]-[1974x1978], including notebooks, 1906-1946; manuscripts and typescripts of literary and autobiographical works, 1955-[1974x1978]; letters, [c. 1890]-1971; poetry, [1920s]-[1930s]; and sketches, [1900x1920].
The notebooks typically contain notes and ideas for fiction, drawings and sketches, pasted in letters and ephemera, and journal entries. These detail her home life and travels and give news of her sons Arthur and Bill Oliver, husband Oliver Onions and other family and friends.

Seventy-six letters, 1901-1917, from the poet Edward Thomas to his friend, the Rev. Jesse Berridge, containing personal and family news and references to the progress of his work (ff. 1-102; see The Letters of Edward Thomas to Jesse Berridge, ed. by Anthony Berridge (London, 1983); for letter no. 63 in the series see NLW MS 10617B).
Also included are transcripts of two letters from the poet to Mrs Edna Berridge, 1912 (ff. 103-104); one letter, [1940s], to Jesse Berridge from Helen Thomas, the poet's widow (f. 123), and two letters, 1957-1961, and a card, [?1950s], from Eleanor Farjeon (ff. 125, 127-128 verso), together with related papers, notably Berridge's draft of his short memoir of Edward Thomas, 1947 (ff. 106-111; see Letters, pp. 84-90), a typescript address, 1985, by R. George Thomas (ff. 131-134) and press cuttings, 1907-1978 (ff. 135-144), including articles by Helen Thomas, 1962-1963 (ff. 139-142). The collection also contains sketches by Edward Thomas, 1902 (f. 24 recto-verso), and references to W. H. Davies, 1905 (f. 52 recto-verso), Gordon Bottomley, 1907 (ff. 56, 58), Robert Frost, 1957 (f. 127), and to the First World War, 1915-1917 (ff. 92-102), together with a copy of a letter, 1947, to Rowland L. Watson, secretary of the Edward Thomas Memorial Committee (f. 105).

Cyfrol yn cynnwys torion, Tachwedd 1916-Rhagfyr 1918, o 'Colofn Awen', colofn Cybi yn Yr Udgorn, papur newydd ardal Pwllheli (ff. i, 1-77 (rectos a 64 verso yn unig), tu mewn i'r clawr cefn). Defnyddiwyd y gyfrol yn wreiddiol gan Cybi, [c. 1906], i ysgrifennu barddoniaeth, sydd nawr, gan fwyaf, wedi ei orchuddio gan y torion. = A volume containing pasted-in cuttings, November 1916-December 1918, of 'Colofn Awen', Cybi's column in the Pwllheli newspaper, Yr Udgorn (ff. i, 1-77 (rectos and 64 verso only), inside back cover). The volume was was originally used by Cybi, [c. 1906], to write autograph poetry in Welsh, now mostly obscured by the cuttings.

Cyfrol yn cynnwys torion, 1921, o golofn Cybi 'O Eifion i Arfon' yn Y Genedl Gymreig, yn ogystal ag ambell i ysgrif arall ganddo i'r wasg, 1918-1921 (ff. 1-27). = A volume containing pasted-in cuttings, 1921, of Cybi's column 'O Eifion i Arfon' in Y Genedl Gymreig, and a few other press contributions by him, 1918-1921 (ff. 1-27).
Defnyddiwyd y gyfrol yn wreiddiol fel llyfr ymarferion ysgol (Cymraeg a Saesneg) gan Harry Hughes, Llangybi, 1910-1911. = The volume was originally used as a school exercise book (Welsh and English) by Harry Hughes, Llangybi, 1910-1911.

Cyfrol yn cynnwys torion, Rhagfyr 1918-Mehefin 1921, o 'Colofn Awen', colofn Cybi yn Yr Udgorn, papur newydd ardal Pwllheli (ff. 1-72 (rectos yn unig), 73-75, 76 recto-verso, tu mewn i'r clawr cefn). = A volume containing pasted-in cuttings, December 1918-June 1921, of 'Colofn Awen', Cybi's column in the Pwllheli newspaper, Yr Udgorn (ff. 1-72 (rectos only), 73-75, 76 recto-verso, inside back cover).
Defnyddiwyd y gyfrol yn wreiddiol fel llyfr ymarferion ysgol (Saesneg) gan Harry Hughes, Llangybi, 1911-1912. = The volume was originally used as a school exercise book (English) by Harry Hughes, Llangybi, 1911-1912.

A collection of papers, 1945-[1950], accumulated by Dyfnallt in relation to the campaign on behalf of Breton nationalists, including papers, March-[?June] 1947, concerning the visit of a delegation from the National Eisteddfod Council, Dyfnallt among them, to Brittany and Paris in April 1947 (ff. 82-121), and including a copy of the first draft of the delegation's report (ff. 107-121).
Also included are manuscript and typescript drafts of various articles on the situation in Brittany (ff. 1, 4-5, 17, 23-30, 32-33, 35-44, 52-54), some in the hand of Paul Quentel (ff. 1, 4-5, 23-30); copies of 'Breton National News Service' newsletters for January and February 1947 (ff. 18-22); a copy of a draft statute for Brittany by the Parti National Breton, dated 10 February 1946 (ff. 8-14); typescript articles on Protestantism in Brittany (ff. 68-72) and the Irish harp (ff. 73-81); and newspaper cuttings, [June 1945]-[May 1947], mostly from various French language newspapers and Y Faner (ff. 122-142), including several articles by Dyfnallt (ff. 124-128, 130, 132, 135).

Thirteen notebooks, 1951-1973, containing journal entries; letters and postcards, many from relatives, literary agents and the media (relating in particular to her broadcasts on Welsh regional BBC programmes); photographs; ideas for fiction; and press cuttings of book reviews.

A typescript copy, [1962]-1979, of Saunders Lewis's Welsh play 'Excelsior', first published Swansea, 1980, with corrections in the author's hand (ff. 1-56); together with correspondence, 1980, in English and Welsh, of the publisher Christopher Davies, regarding its publication in view of the allegation, when broadcast in 1962, that it libelled the Rev. Llywelyn Williams, MP (ff. 57-81).
The typescript consists of pages from the original script, [1962], transmitted on BBC TV on St David's Day 1962 (ff. 5-16, 20-21, 42-51), interspersed with revised sections, [1979], for an abortive stage version (ff. 17-19, 22-41, 52-56), and the new Preface for the published volume, April 1980 (ff. 2-4). The correspondence consists of nineteen letters, April-October 1980, including copies and drafts, mostly between Saunders Lewis, Christopher Davies, Sir Alun Talfan Davies and Glyndwr Williams, brother of Llywelyn Williams. A cutting of Clive Betts' article, 'Saunders Lewis publishes play BBC abandoned' (Western Mail, 1 December 1980, p. 9), is on f. 82. The 1962 and 1980 versions of the play both appear in Dramâu Saunders Lewis: Y Casgliad Cyflawn, Cyfrol 2, ed. by Ioan M. Williams (Cardiff, 2000), pp. 273-414.

The series comprises press and other media coverage of Bernice Rubens's career from many countries, including publicity material, reviews of her work, interviews and biographical accounts; press cuttings and drafts of articles, short stories and talks by Rubens herself; together with documents concerning a tour of Australia and New Zealand, and a number of business and personal letters relating to her work.

The series comprises press cuttings relating to Welsh culture, nationalism and language, politics, eminent figures, literature, history, rural crafts, folklore and legends, customs, natural history, scenery, preachers, eisteddfodau and music.

Seven letters and two telegrams, 1939-1950, from the composer, actor and playwright, Ivor Novello, to Dorothy and Evelyn Wright, containing mainly personal news (ff. 1-13); together with additional personal papers, 1908-1955, compiled by the Wrights, including twelve letters to them from Lloyd Williams, Novello's secretary, [?1940]-[?1944] (ff. 5, 14-19 verso), actors Peter Graves, 1951-1955 (ff. 22-24 verso), Leslie Henson, 1942 (f. 25), and Barry Sinclair, 1943 (f. 26), and Neville Chamberlain, 1938 (ff. 20-21); also included are a memorial tribute to Ivor Novello, 1951 (ff. 27-28 verso), photographs of him and his associates, [1910s]-[1940s] (ff. 29-34), and press cuttings, 1939-1951 (ff. 39-46).
The collection contains references to theatrical productions at Johannesburg, 1947 (f. 8), the Pavilion Theatre, Bournemouth, [1940] (f. 14), the Palace Theatre, Manchester, [?1941] (f. 15), and the Adelphi Theatre, London, 1943 (f. 18).

The file contains correspondence, circulars, conference papers, agenda and minutes of meetings, memoranda and press cuttings concerning the role and activities of the Labour group on the Cardiff City Council.

The file consists of correspondence, circulars, press cuttings and miscellaneous documents, 1981-1993, relating to means of raising local government revenue.

The file contains correspondence and press cuttings, 1989-1990, concerning the fire-bomb campaign of Meibion Glyndŵr and the attitude adopted by the Labour Party towards it.

The file consists of press cuttings, March-April 1991, relating to the by-election campaign and its outcome.

The group comprises miscellaneous papers, 1987-1998, among them circulars, reports and press cuttings, relating to Labour Party policies and campaigns and the performance of Labour Party candidates in Welsh local government elections, the results and the resultant composition of district councils. They include many press cuttings.

The file contains papers, 1993-1994, deriving from the Labour Party campaign in the European election of May 1994. It includes a group of letters, press releases, election literature and press cuttings.

The series comprises files of press cuttings, 1990-1995, mainly taken from the Western Mail, relating to Welsh politics, events in Wales and British politics.