Miscellaneous papers in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents (notes, extracts, lists, jottings, transcripts, etc.) are extremely varied and cover a multiplicity of topics. Included are notes or lists with the superscriptions 'Deg Rhan ymadrodd' (38), 'Llyma gof a son am gadeiriau prydyddion Morganwg a chof amcan eu hamserau' (72-3), 'Anecdotes of Merthyr' (83-4), 'Customs in Glam[organ]' (86-7), 'Rhywiau cerdd dafod parth arbenigrwyd[d] ansodd' (113), 'Llafar Gorsedd B[eirdd] Y[nys] P[rydain] yng nghadair Morganwg' (128-30), 'Trees that will flourish near the sea' (249), 'Llyma enwau'r llefydd lle arferai Feirdd Morganwg gynnal eisteddfod a Chadair' (252), 'Trees to be intermixed with fruit trees in an orchard' (264), 'Proper trees to [be] planted in an orchard' (265), 'Enwau Cymreig ar afalau ym Morganwg' (266-72), 'Enwau Gellyg Ynghymraeg' ( 275-6), 'Enwau Eirin a Phlemys ym Morganwg' (277-8), 'The names of the Norman Peers of Glamorgan and the names of their Castles. . .' (293), '[Names of the] months [in] Armoric [and] Cornish' (313), 'Rhif Carennydd' ( 340), 'List of Publications on the inconsistency of War with the Christian Religion' with comments ? by Edward Williams on the church and war (363-70 ), 'Ex Old Vocabulary at Hafod' (388), 'Hints for the Dissertation on the Welsh Language' (389-?90), 'Llymma son am Eisteddfod Beirdd a Phrydyddion a fu ym Marchwiail ym Maelor' (mention of 'eisteddfodau' held at Gwern y Cleppa, Marchwiail, and Baglan) (396-8), and 'Cyfarwydd am Dri Brodyr Marchwial' (mention of the same three 'eisteddfodau') (398-400); notes, sometimes very brief, on 'cynghanedd' (34), early Christianity in Britain ( 40), the use of the bardic alphabet amongst the Welsh for teaching purposes temp. Henry IV (42), the 'chair of Tir Iarll' (69 + 71), the original home of the Cymmry, i.e. Defrobani (119), weather conditions in March 1811 (175), the Welsh language (181-2), Pythagoras (188), 'englynion' (189), the Essenes (197), Druids (197), Druids and bards amongst the Celtic peoples (207-13), materials used as writing surfaces in ancient and medieval times with mention of a few medieval libraries (213-15), the Druids of Britain and Gaul (216-33), mortar making, garden terracing, and fruit planting (245-6), Welsh culinary recipes (247-9), brick making (254), the growing of trees and fruit near the coast in Glamorgan (262-3), Welsh metrical measures (279), Castletown house [co. Glamorgan] (283), the family of Berkrolles (302), and 'y Ford Gronn' (401); transcripts of Welsh poems including 'cywyddau' attributed to Dafydd ap Edmwnd and Gruff. ab Ifan ab Llywelyn Fychan, an incomplete poem (stanzas 1 and part of 2 missing) attributed to Thos. Llen. o Regoes, and part of a 'cywydd' attributed to Dafydd Alaw (95-109), a 'cywydd' attributed to Siôn Dafydd Rhys (255-6), and an 'englyn' attributed to Daf. Llwyd Bryn Llyfrith (309); transcripts of English verse including ? a translation from the Welsh with the superscription 'A prophecy by Thomas ap Evan ap Rhys in the time of Edw[ar]d the VI' (47-8), twenty-two stanzas entitled 'The Welsh Batchelor' s wish' attributed to the Revd. Mr. Christ. Roberts of St. Athan (289-92), and ten stanzas ? from . . . Bulmer: Pleasantness of Religion (307); miscellaneous items including miscellaneous triads (151-4), ? a draft of a title-page for an anthology of Welsh verse to be called Y Bardd Teulu (147 ), a draft of a prefatory letter, 1796, by Edward Williams to a proposed volume containing an anthology of Welsh prose and verse items, material relating to Welsh bardism, etc. (157-8), an incomplete triad re the 'bardd teulu' (196), a plan of the layout of a dwelling house with orchards, kitchen gardens, fruit gardens, etc. (274), historical anecdotes relating to the lordship and county of Glamorgan reputedly from a manuscript 'of the late William Roberts of St. Athan' (293-8), a list, with examples, of twenty classical metrical feet (306), a genealogical table showing descendants of Iestin, lord of Morgannwg (415-16), biographical notes on members of the Stradling family to the late sixteenth century ? from [ British Museum] Harleian MS 368 (417-22), and a plan of a stone circle 'at Field Marshal Conway's . . . near Henly upon Thames' (429); and extracts from a variety of printed sources including Cambrian, March 1819 ( Welsh speaking Indians) (131), The Monthly Review, February 1819 (132 + 134), the works of [Isaac] Watts (135-?43), . . . Priestley: Tablet of Memory (159-?74), Cambrian, September 1819 (a proposal 'to obtain an Act of Parliament for making and maintaining a Pier and Harbour at Newton in the Parish of Newton Nottage [co. Glamorgan]', etc. (281), [W. Wotton: Cyfreithjeu Hywel Dda . . ., London, 1730] (relating mainly to the Welsh bards) (343-52) and the Ecclesiastical Review, January 1817 (359-62). Interspersed throughout the volume are lists or groups of miscellaneous Welsh words sometimes with English definitions, proverbs, grammatical or etymological notes, poetic extracts, and other miscellanea. In some instances the blank verso or margins of the following have been utilised for writing notes - an undated holograph letter from Mr. Dunn from St. Athans to Ed. Williams, Flemingstone, re materials for the tomb of the writer's mother (in third person) (185-6, 199-200), copies of a printed circular, 16 August 1820, appealing for subscriptions towards the completion of a Unitarian chapel at Merthyr Tydfil, copies of a printed 'advertisement' and 'proposals' for publishing Edward Williams's two volumes of English verse Poems Lyric and Pastoral in 1792, a folded sheet containing a copy of a Welsh poem entitled 'Canwyll gogan y Cymru' attributed to 'Siôn ?Flay o Bentre'r Lai' (284-5, 300-01), a holograph letter, 30 September 1818, from G. Birley, Methodist Chapel, Cardiff, to Edw[ar]d Williams (forwarding a copy of the first volume of [John Hughes:] Horae Britannicae at the author's request) (315-16, 333-4), a copy of a printed circular, 6 December 1802, announcing literary competitions to be held under the auspices of the Gwyneddigion Society (320 + 329), and an undated holograph letter from Edward Williams to John Llewelyn, esq., Penlle'r Gaer [co. Glamorgan], concerning recipient's 'usual benefaction' to the writer (379-82).

A composite volume containing miscellaneous material in the hand of Edward Williams ('Iolo Morganwg'). The contents include pp. xiii, xv-xvi, two lists of the contents of pp. 1-160; xvi, a copy of an 'englyn' by [Edward Williams] 'Iolo Morganwg'; 1-5, a version of the rules for regulating the Welsh bardic order ('Ystatun . . . ar wyr wrth Gerdd') attributed to Gruffudd ap Cynan and Bleddyn ap Cynfyn; 5-9, comments by [Edward Williams] 'Iolo Morganwg' on the attribution of the formulation of such rules to Gruffudd ap Cynan and others; 110-114, a copy of a proclamation announcing that an 'eisteddfod' was to be held at Caerwys, co. Flint, 26 May 1567, and a list of the bards and musicians licensed at the said 'eisteddfod'; 115-116, descriptions of 'finger-signs' used to represent letters of the alphabet ('Egwyddor Awgrym Llaw'); 117-27, extracts, including examples of Welsh strict metres, from Welsh bardic grammars described in the first aforementioned list of contents as 'Pigion o Hen Lyfr Dosparth Cerdd dafawd' and 'Amrafaelion [d]darlleniadau yn Nosparth Edeyrn Dafawd Aur ag un Dafydd Ddu o Hiraddug' and in the second as 'Amrafaelion o Hen Ddosparth Cerdd' and 'Darlleniadau amrafaelion Dosparth Dafydd Ddu Hiraddug neu Dafydd Ddu Athraw'; 28, transcripts of three 'englynion' attributed to Rhys amheyrig 'o'r Cottrel'; 28-32, transcripts of two letters reputedly exchanged between the sixteenth century Welsh poets Siôn Mowddwy and Meyryg Dafydd (see also NLW MS 13121B above, pp. 501-05); 32, a brief note on 'eisteddfodau' held at Caerfyrddin in 1451 and 38 Henry VI; 33-118, an incomplete version of a Welsh bardic grammar consisting of part III (pp. 33-55 under an initial superscription reading 'Llyma Ddosparth Cerdd Dafawd a wnaeth Simwnt Fychan Bencerdd Fr Meistr Pirs Mostyn o Dalacre. Hwnn yw Trydydd Lyfr Cerddwriaeth Cerdd dafawd') dealing with the structure of the strict metres, part IV (pp. 55-76) dealing with 'cymmeriadau' and 'cynghaneddau' ('yn nesaf ysbysswnn o'r pedwarydd Llyfr Cerddwriaeth Cerdd dafawd nid amgen noc o'r Cymmeriadau a' r Cynghaneddau . . .'), and part V (pp. 76-119) dealing with faults in metre and 'cynghanedd' and the objects to be praised in verse, and containing at the end a series of eighty-two bardic triads ('Trioedd Cerdd y rhai y mae Beirdd Ynys Prydain yn ymarfer o'i cofiaw a'i ystyried'); 119- 22, a copy of the proclamation announcing the holding of an 'eisteddfod' at Caerwys, co. Flint, 26 May 1568, and the licensing of Simwnt Fychan as 'pencerdd'; 122-3, a note on the adoption of family surnames by the Welsh in accordance with a decree of the aforementioned 'eisteddfod' and on the mode of registering the said names; 124-37, a version of the code of rules for Welsh bards and musicians attributed to Gruffydd ap Cynan as reputedly confirmed by Bleddyn ap Cynfyn and others and at the aforementioned 'eisteddfod' at Caerwys; 138-40, a note relating to Dafydd ab Edmwnt and the 'cadwyn fyrr' strict poetic metre with an example of the said metre; 141, transcripts of 'englynion' attributed to Hywel ap Syr Mathew, Simwnt Fychan, and Howel Bangor; 142-51, a further version of the bardic rules attributed to Gruffudd ap Cynan 'fal ai conffirmiwyd yn Eisteddfod Caerwys . . . 1567'; 152, a note by [Edward Williams] 'Iolo Morganwg' on the aforementioned code of rules; 153-7, transcripts of 'Cywydd y Delyn Ledr' attributed to Dafydd ap Gwilym, two stanzas attributed to Llywarch Hen, and four unattributed 'englynion'; 158-60, a series of Welsh proverbs extracted allegedly 'o Lyfr Harry Siôn o Bont y Pwl'; 197-231 (previously paginated 1-35), notes dealing largely with the phonology of the Welsh language; 268, ? a proposed scheme or list of chapter headings for an 'Analytical Dissertation on the Welsh Language'; 273-392, mainly lists of Welsh words grouped according to their terminations; 376-8, stanzas of psalm tunes; and 409-12, notes on Welsh phonology.