A composite volume consisting of previously separate, home-made booklets containing material in the hand of Edward Williams ('Iolo Morganwg') bound into one volume). P. 11 (probably the 'title-page' of the section now paginated 13-100) is inscribed 'General View of the Agriculture of the County of Glamorgan, 1796', and is followed (pp. 13-100) by an incomplete essay on the said county [by Edward Williams]. This essay contains four chapters with sectional sub-headings 'Situation, Extent, etc.', '[Divisions and] Market Towns', 'Climate', 'Soil and Surface', 'Minerals', 'Water' (rivers, springs), 'State of Property' (mode of tenure, a list of the principal landholders), 'Buildings' (building materials, a list of the seats of landed gentry, a description of a typical farmhouse, outbuildings, cottages, etc.), 'Size of farms and character of farmers', 'Rent', and 'Tithes'. P. 101 bears the inscription 'Antiquities of Lantwit Major in the County of Glamorgan. Collected from various Documents. By Edward Williams. 1800', and is followed (pp. 105-39) by material relating to St. Illtud and the monastery and monastic school at Llanilltud, descriptions of inscribed stones at Llanilltud, and details of a twelve- point plan for setting up a committee and employing salaried research workers to supervise and undertake research for a history of the county of Glamorgan. A good deal of the material relating to Llanilltud is allegedly taken from an account compiled by the Reverend David Nichols, M.A., in 1729, and the whole of the contents of pp. 105-39 is presented in the form of a letter [from Edward Williams] to David Thomas, esqr., at Bath, 20 October 1798 (see IM, t. 307). P. 165 is inscribed 'Collection for the History of Dunraven, 1814', and is followed (pp. 169-87) by miscellaneous historical, pseudo-historical, and genealogical material relating to Dunraven Castle [co. Glamorgan] and its owners, and to Bran Vendigaid ap Llyr and his son Caradog (Caractacus) both of whom allegedly resided at Dunraven, (p. 188) an outline scheme or chapter headings for a proposed history of Dunraven Castle, and (on two unnumbered leaves between p. 188 and p. 189) a copy of a letter, ? 2 February 1818, from [Edward Williams] from Keven Cribor [co. Glamorgan], to Mrs. Wyndham of Dunraven Castle relating to the writer's research work concerning the said seat and the notes he was forwarding. Pp. 211-17 contain an incomplete copy of 'An Account of the cause of the conquest of Glamorgan by Sir Robert Fitz Haymon and his twelve Knights by Sir Edward Mansell of Margam, Knight' (for this and a fuller 'account' attributed to the same author in NLW MS 13161A (Llanover C. 74) see TLLM, tt. 200-03). P. 251 is inscribed 'List of Sheriffs and Und[er]sheriffs For the County of Glamorgan From the year 1541 To the year (blank) From a MS. in the Possession of the Revd. Mr. Davies of Wenvoe . . . 1808', and is followed ( pp. 255-71) by the said list for the period 1541-1808. Other items in the volume include extracts from a biographical dictionary (1798) relating to the English poet John Gower, Robert of Gloucester (temp. Henry II), and [Thomas] Sternhold (ob. 1549) (pp. 155-6); further notes relating to Dunraven Castle (p. 190); an extract from a letter from W. Davies to O. Jones, 1792 (p. 195); anecdotes relating to the brothers Richard and William Twrch and the building of a porch at Bewper [co. Glamorgan] (see also NLW MSS 13089E, 13103B, and IM, tt. 272-3) (pp. 205-07); a list of 'Castles in Gower' (p. 232); notes on birds (unnumbered leaf between p. 232 and p. 233); a note on the construction of a wheelbarrow (p. 233); a copy of an 'englyn' by [Edward Williams] 'Iolo Morganwg', etc. (p. 234); a copy of the inscription on the tomb of Edward Pritchard, rector of Flimnston (sic) [co. Glamorgan], ob. 1742, and his wife Margaret, ob. 1707/08, in Trefemin (Flemingston) church (p. 235); notes on Caer Fule, a Roman fortification near St. Olave's Church, Newport, and Trefela, a village in the parish of Llangwm near Usk (p. 236); a note on the rocks in Glam[organshire] (p. 237); copies of an 'englyn' and a six-line stanza of Welsh verse by [Edward Williams] 'Iolo Morganwg' (p. 238); brief notes referring to Jenkin Jones of Llangyfelach, 'minister of a Catabaptistical Congregation circa anno 1649', [William] Erbury, Walter Caradoc, Samuel Jones of Bryn Llywarch, and Morgan Llwyd (p. 239); a note on Huw Spencer, the younger, and his building activities in Glamorgan, ? temp. Edward II (p. 240); a list of Welsh superstitions ('Ofergoelion Gwlad Gymru') (p. 242 ); and notes on an outbreak of plague at Drenewydd Notais (Newton Nottage) [co. Glamorgan], circa 1620-1630 (p. 243).

Fifteen letters, 1816-28, written by William Michell (ca. 1774-1829), vicar of Llantrisant, co. Glamorgan, to his father Dr John Michell, vicar of Fairford, co. Gloucester (4), his mother (10), and his brother Major Edward T. Michell (1), containing mainly news and gossip about the gentry of counties Brecon and Glamorgan, in whose society he moved; included in the last letter is a survey, 1828, of the Michell family estate in Huish Episcopi, co. Somerset.

Miscellaneous papers and booklets containing prose and verse items in the hand of Edward Williams ('Iolo Morganwg') bound into one volume. Verse items, pagination in brackets, include transcripts of strict- and free-metre Welsh poems, sometimes a single stanza or 'englyn', or extracts from Welsh poems attributed to Llywarch Brydydd y Moch (6), D. Edmund (18, 430), Howel ap Syr Mathew (20), Thomas Llywelyn 'o Regoes' (? 21-4, 226 with a note relating to the poet's son), Dicc Hughes (24, 119-26 ), D. Lld. Math[afar]n (24), Syr Lewys ab Huw 'o Fochnant' (25-30), Thomas Evans (31-7), ?Huw Dafydd (37-44), Llywelyn ap Hywel ap Ieuan ap Gronwy ( 56-7), Bedyn Wilco (65-6), Huw Dafydd (68-71), Thomas ap Gwilym 'o Ferthyr Tudfyl' (73-5), Wiliam Sawndwr (83-4, 103-05; see IM, t. 302), Siôn Lewys Hywel 'o Lantrisaint Meisgin' (93-4), Thomas ab Ifan 'o Dre Brynn' (94-6), Llywelyn Deio Pywel (96-8), ? Siencyn Lygad Rhawlin (100-03), Twm ab Han ab Rhys (105-08), R. Hughes (126-32), Llywelyn ab Hwlkyn 'o Fôn' (133-6), ? Watcin Dafydd 'o Ben y Bont' (175 + two unnumbered pages following), Gronw Gethin ab Ieuan ab Lleison 'o Faglan' (185-6), Dafydd Nanmor (186), Dafydd Thomas 'o Dregroes' (187-8), Rhys ap Ioccyn 'o Dre-golwyn' (189-91 with an added note thereon by 'Iolo Morganwg'), Siôn Morgan 'argraffydd o'r Bont Faen' (213-14), Siôn Wiliam 'o Landathan' (214-16), Efan o Lan y Lai (227), Iorwerth ap Sierlyn (231), Gwilym Tew 'o Lynn Taf' (232), Emion Offeiriad (263-4), Daf. ab Gwilym (273, 277-8), y Parchedig Dafydd Dafis 'o Gastell Hywel' and 'o Lwynrhydowen' (274-6), Rhys Meigen (277), William Walters (297-304), Dr. T. Wms. (314), Taliesin (316), Siôn Philip (316), Edmund Prys (316, 383-91), Ed. Richard (316), Huw Caerog (323, 392), Huw Llyn (323, 392 ), Huw Pennant (323, 393) William Cynwal (323, 393), Huw Ednyfed (324), Gruff. ab Lln. Fychan and Ifan Brydydd Hir jointly (324), Lewis Môn (324), D. Edmund (331), Merddin Emrys (336), Syr Wiliam Herbart (340), Hywel Dafydd ap Ieuan ap Rhys (340), Owen Brereton (341), Tudur Aled (383), Wm. Byrkinshaw (392), Ieuan Tew (392), R. Dafies, Escob Mynyw (393), Siôn Tudur (393), [Edward Williams] 'Iolo Morganwg' (423-?25), Wm. Llyn (430), Robt. Clidro (430), Howel Bangor (430), and Madawg ab Merfyn Gwawdrydd (431-2); transcripts of unattributed Welsh verse (17-20, ? 37-40, 45-56, 57- 64, 66-7, 98-100, 136-43, 145-50, 202, 227-9, 258, 316, 317-21, 327, 331, 334, 449-54, 461); and also transcripts of English verse (72, 330). Prose items, pagination in brackets, include a brief paginated list of events recorded in W. Wynne: The History of Wales (1-2); genealogical data relating to the descendants of Brychan Brycheiniog based upon the data in the appendices to Theo[philus] Jones [: A History of the County of Brecknock, vol. I, 1805] (3-6); notes relating to the Welsh medical treatise 'Meddygon Myddfai' (8-10); an extract from [The] Myvyrian Archaiology [of Wales], vol. II (11); a note relating to a manuscript allegedly once in the possession of Dafydd Rhisiart 'o Landocheu'r Bont Faen', which had contained, inter alia, some twenty poems by Wil. Hopcin (85); a brief comment on the Welsh language (92); a note relating to Owain Glyn Dwr's activities in Glamorgan allegedly extracted from a manuscript history in the possession of the Rev. Thos. Bassett of Lanelay (151-2); a brief note on Cae Llwyd in the parish of Llangyfelach [co. Glamorgan], home of the poet Huw Cae Llwyd, and on Ieuan ap y Diwlith (155); a note relating to the antiquity of the Cymmry (Kimmeri) as a nation and of the word itself as a national appellative (157); brief data re the descent of King Arthur (158); a list of slanderous epithets for the use of which Margaret John Harri had been excommunicated at Llandaff Consistory Court in 1816 (159); a list of ministers of religion who had attended an annual meeting [? of Unitarians] at y Gelli onnen [co. Glamorgan] in 1813 (161); a copy of a fable re a king and three wise men (177-80); an anecdote relating to the origin of the fruit trees at Margam [co. Glamorgan] (181); 'sayings' attributed to Taliesin ('Gwiredd Taliesin') (182); an anecdote relating to Taliesin and Cattwg Ddoeth (182-3); notes on Welsh poets, 14th- 17th cent. (193-201); a list of five subject headings under the superscription 'Bards, Topics for History of' (202); medicinal recipes ? from 'Meddygon Myddfai' (203); a short list of Glamorgan proverbs (208); a copy of the proclamation of an 'eisteddfod' to be held at Caerwys, co. Flint, to July 1523, extracted from Siôn Rhydderch [: Grammadeg Cymraeg, 1728] (219-20); a list of 'sayings' attributed to Saffin (220-23); a copy of a parable relating to a blind man's search for riches (224-6); a note on Cwrt Aberavan in the parish of Margam [co. Glamorgan] and a list of 'Parselon Margam' (230); a note on the poet Rhydderch ap Ieuan Llwyd (231); (continued)

A list of the early kings of Britain and of the Britons back to the time of Brutys and Eneas Ysgwyddwyn (233-6); a copy of a parable relating to a rich man and a hermit (236-9); brief notes relating to certain physical features in the parish of Merthyr Tudfyl, co. Glamorgan, and to Hywel Rhys, the bard, and his descendants, and references to Blaen Cannaid, Llwyn Celyn, and Cwm y Glo and other Nonconformist meeting houses [in co. Glamorgan] (239 + 242); a copy of a memorial inscription to Morgan Herbert of Havod Uchtryd, co. Cardigan, ob. 1687/8, in Eglwys Newydd Church near Havod, and of an inscription relating to the history of the church (240-42; see S. R. Meyrick: The History and Antiquities of the County of Cardigan, London, 1810, pp. 347-51); brief notes on the dates of the conversion of 'Daenmarc', 'Llychlyn', 'Gwyddelod y Werddon', 'Gwyddelod yr Alban', and 'Gwyddelod Môn ag Arfon' to the Christian faith (257); a brief note relating to markets at Castell y Coetty and Pen y Bont ar Ogwr ? temp. Henry VIII and previously (258); brief notes relating to Sir Edward Stradlin [n.d.] and Thomas Stradlin, temp. Henry VIII (259); notes relating to Welsh strict metres, Elisse ap Gwalchmai 'o Ial', and Dafydd ap Gwilym (264-5); genealogical data headed 'Achau Morganiaid Tredegyr' ( 266-7); medicinal recipes, some from 'Meddygon Myddfai' (268-70, 287-91); brief miscellanea extracted from Panton MS 30 [now NLW MS 1999 (313- 14); an account of the return of Brân ap Llyr from captivity in Rome accompanied by the saints Ilid, Cyndaf, and Meugant Hen (329); comments on the authenticity of Welsh manuscripts ? containing medical material with mention of three such manuscripts, and twelve points ? relating to a pre- sixteenth century manuscript of this nature ? in Jesus College, Oxford (332-3); a list of eight 'sayings' attributed to Cattwg ddoeth (333); notes on the 'three primary or fundamental attributes of God' (335); a brief geographical / geological note relating to the Llangyfelach area [co. Glamorgan] (335); an anecdote relating to Llywelyn Bren and Sir Wiliam Flemin (360; an explanatory comment on Henry Salisbury's wrong definition of the word 'cler' (361); notes relating to the use of the 'Silurian dialect' in Welsh prose and verse of the Middle Ages in North and South Wales and comments on 'anglicisms, English construction, and English idioms' in the Welsh translation of the Bible (363-5); a list of family names to illustrate a Glamorgan custom of 'prefixing the Article to the surnames of the Gentry' (366); a list of places in Glamorgan with, in some instances, specific natural features, antiquities, etc., associated therewith, short lists of locations of inscriptions, caves, and cromlechs [in co. Glamorgan], etc. (367-9); a list headed 'Subscribers - 1804' containing seven names but naming no publication (370; a list of the names of thirty-four Welsh poets, 13th-16th cent., literary historical manuscript volumes or works such as 'Llyfr Coch Hergest', 'Brut y Brenhinoedd', etc. (373-4); a note relating to the convention of poetic contentions (391); an anecdote relating to Gutto'r Glynn at an 'eisteddfod' held in Cardiff Castle under the patronage of Sir Wiliam Herbert (394, for the ending see p. 340); a list of 'sayings' attributed to Cattwn Ddoeth all commencing with the word 'Tryw' (401); a list of nineteen items relating to Welsh bardism, music, grammar, etc., headed 'Jones Gelli Lyfdy MS. No. 120' being presumably an incomplete list of the contents of one of the manuscripts of John Jones of Gelli Lyfdy [co. Flint; ob. ? 1658] (407- 09); poetic extracts to illustrate the meaning of specific Welsh words (415-16, 418, 457-9); a note relating to dialects in Wales (427); a list of ten points or topics under the heading 'Plan of a Religious Society' (442); a list of 'Casbethau (or Casddynion) Selyf Ddoeth' (447); brief notes relating to Welsh bardism from the time of Gwrtheyrn Gwrtheneu to the time of the 'eisteddfod' at Caerfyrdd[in] convened by Sir Gruff. Nicolas (477-8); notes relating to Welsh metres and versification (479-87 ); notes on the connection between Cynddelw, Einion Offeiriad, Tryhaearn Brydydd Mawr, Gwilym Tew, Owain ab Rhydderch, Dafydd Llwyd Mathew, Dafydd Ddu o Hir Addug, and Dafydd ab Gwilym and certain Welsh poetic metres, a list of metres as arranged by Dafydd Llwyd Matthew, and another such list from 'hen Lyfr arall' (488-92); incomplete notes containing references to bardic topics such as 'sefydliad Dosparth Caerfyrddin', 'Eisteddfod Gyntaf Caerwys, 1525', 'Ystatut Gruffudd ap Cynan', 'Dosparth y Ford Gron', and 'Dosparth Tir Iarll' (503-04); miscellaneous genealogical data (249-51, 268, 315); miscellaneous Welsh triads (155, 217-19, 244-5, 247, 271-2, 359, 402, 445-6, 448, 466); and lists or groups of Welsh words, with, in some instances, definitions, illustrative examples, etc., or notes on Welsh words (7, 12, 243, 315, 336, 341, 359-62, 399-406, 411, 427, 429, 441-2). In one instance notes have been written across the face of a printed leaflet announcing the printing by subscription of Edward Williams's two volumes of English verse Poems Lyric and Pastoral (7 + 10).

Miscellaneous letters and documents, including transcripts, including a letter, 24 August 1622, from Lewis Davids to the petty constables of Swansea relating to the upkeep of Cardiff Bridge; a letter, 24 May 1624, from Owen Wynn to his father, Sir John Wynn, knight and baronet, of Gwydir; a quittance for chief rents, 1640; a copy of a survey of Iscoed, 1650; a letter, 1690, from Richard Lougher to Thomas Rees; a list of Glamorganshire gentlemen to the west of the Ogmore river; a survey of the number and value of acres, houses and lands in Gower; papers relating to Swansea and to the Somerset family (Dukes of Beaufort) and their stewards; a pedigree of the St John family of Bletso, Bedfordshire; a work entitled Modern division of Glamorgan in the hand of Edward Williams ('Iolo Morganwg').