Manuscript of an untitled four act play by Owain Llewelyn Owain, depicting the lives of the quarrymen of Caernarvonshire during the early twentieth century.

A manuscript copy, with corrections, of an apparently unpublished one act play, [?1930s], by William John Davies (Gwilym Peris) entitled 'Y llestr gwanaf', depicting the plight of an unmarried mother in conflict with nonconformist values.

A manuscript copy, in several hands, of Oswald Rees Owen, Siop Morgan (Denbigh, 1937), a translation of Boyd's Shop (1936), a play by St John Ervine, first performed at the Pavilion Theatre, Rhyl, October 1936.

First draft, [1940s], of an unfinished television play in Welsh by Saunders Lewis, based on the novel Journal d'un curé de campagne (Paris, 1936) by Georges Bernanos. A note, 1975, by Saunders Lewis (f. ii) explains why the play was never completed.

Two typescript copies of Saunders Lewis's play, Problemau Prifysgol (Llandybïe, 1968), which was written in 1962.

Typescript draft (end wanting), with some autograph revision, of Saunders Lewis's play Cymru Fydd (Llandybïe, 1967), first performed at the National Eisteddfod of Wales, Y Bala, 1967; together with a photocopy (ff. 72-118) of ff. 1-29, 55-71 of the typescript and of the final page missing from the typescript. The typescript bears some revision not included in the photocopy.

First draft, June-July 1968, of Saunders Lewis's radio play, 'Y Cyrnol Chabert', based on a story by Honoré de Balzac. First broadcast on BBC Radio 4 Wales, 19 December 1968, and repeated on 13 March 1970. The play was published in 1989.

An exercise book and loose papers containing notes and drafts made by Saunders Lewis, [c. 1970], when working on two plays in Welsh, one based on the life of St Catherine of Siena (d. 1380) and the other on the life of the nuclear physicist Niels Bohr (1885-1962). Neither of these plays appears to have been completed. Also included (ff. 39-52) are notes for, and a fragmentary draft of, a play set in the Pope's palace at Orvieto, 1281.

Typescript, with some autograph revision, of Saunders Lewis's play Dwy Briodas Ann, first performed on BBC Wales Television, 16 October 1973, and published in Dramâu'r Parlwr (Llandybïe, 1975).

Typescript draft, with minor autograph revision, of Saunders Lewis's radio play 'Cell y Grog', first broadcast on BBC Radio 4 Wales, 2 March 1974, and subsequently published in Taliesin 31 (1975).

Typescript draft, with some autograph revision, of Saunders Lewis's television play, '1938', first performed on BBC Wales Television, 27 February 1978, and subsequently published in Y Cyrnol Chabert a 1938 (Pen-y-groes: Gwasg Dwyfor, 1989); together with photocopies, some bearing autograph revision, of earlier typescript drafts containing some variation of text and passages omitted from the final version.

Sgript o'r ddrama lwyfan Sŵn y Malu, [1980]. = A script of the play Sŵn y Malu, [1980].

A notebook containing a copy of 'Y Postman', an unpublished play by William John Davies ('Gwilym Peris'), Tal-y-sarn, co. Caernarfon, first licensed for performance in 1931.

Papurau Meic Povey, 1966-2008, yn cynnwys sgriptiau, 1969-2007; llyfrau nodiadau, 1988-2005; astudiaethau o'i waith, 1988-[1999]; deunydd printiedig, 1968-2007; rhaglenni theatr, 1966-2008; a pheth gohebiaeth, 1968-2008. = Papers of Meic Povey, actor and dramatist, comprising scripts, 1969-2007; notebooks, 1988-2005; studies of his work, 1988-[1999]; printed material, 1968-2007; theatre programmes, 1966-2008; and some personal and work-related correspondence, 1968-2008.

Papurau Gwenlyn Parry, [1962]-1993, yn cynnwys sgriptiau a phapurau amrywiol yn ymwneud â'i ddramâu llwyfan, [1966]-1992, a'i ddramâu teledu, radio a ffilm, [1966]-[1991]; papurau'n ymwneud ag addasiad teledu Gwenlyn Parry ac Endaf Emlyn o nofel Caradog Prichard, Un Nos Ola Leuad, [1966]-1991; sgriptiau gweithiau gan eraill, [1966]-1991; papurau amrywiol yn ymwneud â'i waith, megis rhageiriau ac erthyglau, 1968-[1991]; deunydd printiedig, 1962-1991; a phapurau personol a theyrngedau, 1962-1993. = Papers of Gwenlyn Parry, [1962]-1993, comprising scripts and various papers relating to his stage plays, [1966]-1992, and television and radio dramas, [1966]-[1991]; papers relating to Gwenlyn Parry and Endaf Emlyn's television adaptation of Caradog Prichard's novel Un Nos Ola Leuad, [1966]-1991; scripts of works by others, [1966]-[1991]; various work-related papers, such as prefaces and articles, 1968-[1991]; printed material, 1962-1991; and personal papers and tributes, 1962-1993.

A copy of a typescript draft, 1962, with autograph revision, of Saunders Lewis's play Problemau Prifysgol (Llandybïe, 1968).

Cyfansoddiadau amrywiol a gyflwynwyd i gystadlaethau llenyddol a cherddorol Eisteddfod Genedlaethol Cymru, 1887-2019. Yn eu plith ceir awdlau, pryddestau, cywyddau, englynion, englynion ysgafn, baledi, sonedau, straeon byrion, blogiau, llên meicro a dramâu. Ceir gweithiau ar gyfer y Fedal Ryddiaith, Gwobr Daniel Owen, Ysgoloriaethau Emyr Feddyg a Geraint Morris, ynghyd ag emyn-donau a chyfansoddiadau Tlws y Cerddor a chyfansoddi dawns. Cyflwynwyd cystadlaethau i ieuenctid a chystadleuaeth y gadair a thlws rhyddiaith i ddysgwyr ac i'r rhai sydd wedi byw yn y Wladfa ar hyd eu hoes. = A variety of literary and musical compositions entered at National Eisteddfodau, 1887-2018, including odes and poetry in free metre, ballads, short stories, blogs, micro literature and plays. Entries for the Prose Medal, Daniel Owen Memorial Prize, Emyr Feddyg and Geraint Morris Scholarships, together with musical compositions such as the Musicians' Medal, hymn-tunes and dance composition are also included. Competitions for young people, Welsh learners including a chair and prose competition and a competition for those who have lived in Patagonia throughout their lives have been introduced.

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.

Printer's copy of Y Cyrnol Chabert (Pen-y-groes: Gwasg Dwyfor, 1989), bearing emendations by R. Geraint Gruffydd, literary executor of Saunders Lewis. The copy is a photocopy of a typescript containing minor revisions by the author. 'Darlledwyd gyntaf ar Radio Cymru, B.B.C., 5 Mawrth 1970' (f. i) is presumably incorrect (see MS 22957C).