Coats of arms, coloured, of the founders of Welsh and Border Counties families, comprising 'The Aancient descent of diuers noble and worthie howsen and gentlemen of great worshipp springring from them' and 'The names of such other gentlemen as came into wales and ther, or in the marches therof have lande and possessions where they inhabite, by certen descent of inheritance Ther first Auncestors being eyther Englishmen, Danes, Normans or Irishe men, and at this present growen to be great howses of worshipp in walles'.

A manuscript in three parts. The first part, possibly in the autograph of Thomas Jones (alias Twm Siôn Cati), comprises heraldry, with coloured illustrations of the coats of arms of the Britons and of the princes of North and South Wales, together with a number of their pedigrees (pp. 1-136). The second part comprises the pedigrees of the mothers of some of the principal families in Wales, together with a description of their coats of arms (pp. 137-178). The third part comprises poetry, a large portion of which is in the autograph of John Jones, Gellilyfdy (pp. 179-202).

Fifty-eight holograph letters addressed to Susan(na) Lloyd at Hafodunos, Mold, at Soughton House (upper Soughton), Northop, etc. The writers include Ann Jemima Clough, Thakeham Place, 1797 (a proposed visit by the writer's children, news of family and friends), D[orothea] Clough [the recipient's sister], Denbigh, [1805] and undated (2) (legacies bequeathed by the wills of aunt E. Conway and aunt Wickham) (with one draft reply), Richd. Garnons [Colomendy], undated (2) (pleasantries), Eliza Griffith, Carreg-lwyd, etc., [1801]-1803 and undated (4) (news of relatives and friends, a meeting at Llangefni in connection with a proposed testimonial to Mr. Sparrow for his services in the Customs, disturbances in the Paris mines, the arrival of troopers in Caernarvonshire for fear of a rising by the poor, the discovery of copper at Ynysygwyddal, the birth of an heir at Leweney and a reference to Mrs. Piozzi, the progress of the harvest, comments on a visit to Bath), Holland Griffith, Carreglwyd, 1838 (amusement afforded the recipient by the writer's Welsh paper, hopes that electioneering differences are fast dying away in Flintshire, a visit to the writer by a multitude of Teetotalists, the letting of the writer's colliery at Berw), Richd. Howard, Denbigh and Beaumaris, c. 1817-1843 and undated (4) (news of relatives and friends, a visit to Bangor Deanery, serious proceedings arising from old Panton's will, a change in the agency of the Marquis of Anglesey, satisfaction with the writer's curate, the probable departure of Thomas Davies from Jesus College, Oxford, a new statute in the University, the rejection of three Anglesey young men for scholarships, observations on the projected division of Soughton Common, a legal action touching a mortgage of the Hafodunos estate (together with a receipt, 1815, from Richd. Howard to Susan Lloyd for a sum of £6/10/0 paid by the former on the latter's behalf to Bevan, the timber merchant, on account of Coedycra Mill), the writer's departure from Beaumaris and subsequent movements, income from minerals received for the recipient, dissension in the National Church) (one incomplete), Catha[rine] Lloyd, from Carreglwyd, from Bath, etc., [17]94-1820 and undated (26) (copious news of relatives and friends, references to threats of French invasion and to the defenceless state of the Kingdom (1795-1804), accounts of visits to the theatre and to parties and to Ireland and Bath, etc., Colonel William Shipley's success in the Flintshire parliamentary election of 1807, references to the mine at Ynnisygwyddle), J[ohn] Ll[oyd], Dublin Bay, 1801 (an account of the voyage from Holyhead and the arrival at Dublin), M. Lloyd, Bagillt, etc., [17]81-1790 and undated (9) (personal, the writer's health, news of relatives and friends, the death of the recipient's brother Ben), M. Lloyd, London, etc., 1803-1809 and undated (5) (news of relatives and friends, the health of the writer's husband, a reference to the most excellent shore at Llandidno Bay, the progress of the harvest, the writer's removal to London, visits to the 'Ladies of Llangollen' and to Cheltenham, the recipient's trouble about the writer's chaise), Phoe[be] Lloyd, from Plascoch, undated (the health of the writer's aunt), M. E. Potter, Soughton, [17]91 (personal, business matters on behalf of the writer's mother, news of the writer's mother) (with additions by M. E. Potter to Mr. Potter, touching 'home matters', with references to stock, and from C[atharine] Lloyd to Susanna Lloyd, touching armorial colours for a piece of plate), and Sarah Potter, undated (thanks for the loan of Aunt Lloyd's letter, requires a supply of ale).

A transcript by Benjamin Jones, Caernarfon of 'Llyfr Achau ac Arfbeisiau y 5 Llwyth Breninol a 15 Llwyth Pendefigol Gwynedd ...' by Ebenezer Thomas ('Eben Fardd').

A manuscript containing holograph cywyddau by Wiliam Cynwal written between 1572 (f. 6) and his death in 1588. The poems are accompanied by illustrations of their subjects' coats of arms.

A notebook purchased at the sale of the library of Theophilus Jones , historian of Brecknockshire, being a miscellany containing, among other things, 'Catalogus libror. meor. An[n]o 1643 ...', extracts from works on religion, a copy of 'The man[n]er of the winning of Glamorgan out of the Welsh mens hands by Sr Robert fitz Hamon and his followers ...', pedigrees mainly of Glamorgan families, 'An alphabet of some coates of armes in Wales and the borders of the same', details of some Glamorgan fee-farm rents, etc.

A volume in the hand of Mary Richards, Darowen, containing '[C]ronicl y Tywysogion Cymry' (cf. Thomas Jones, Brut y Tywysogion (Cardiff, 1955), pp. 2-24); Welsh and other pedigrees, e.g. of Queen Victoria, King George IV, Gr. ap Kynan, Rhys ap Tewdwr, Lewis ap Owen (Dolgelley), Edmund Meyrick (Ucheldre), Llywelyn ap Gruffydd, Grono Fychan, William Pughe (Mathafarn), the family of Hendre Mur (Maentwrog), Robert Mostyn, the family of Salisbury, Sir Lewis Trelawny, the family of Breubwyll (Llanbedr, Merioneth), Cathrine Lloyd (Abercydill, Cemmes, Montgomeryshire), Oliver Cromwell, etc., and pedigrees from printed sources; a table of British kings entitled 'Tabl o holl Frenhinoedd Brydain, or Penaithiaid cyntaf hyd at ein Brenin George III ... a breintiwyd yn Almanac Mr Thomas Jones am y flwyddyn 1709 ... '; a table of the princes of South Wales entitled 'Cofrestr o Dywysogion Deheubarth y rhai oedd yn Cadw eu Llys yn Nhastell [sic] Dinevwr... '; poetry in strict metres ('awdlau' 'cywyddau', and especially 'englynion') by Gutto'r Glyn, Gruffyth Philip, William Llyn, Tudur Aled, Owen Gryffyth, Wiliam Philip, Owen Gwynedd, Robert Parry ('Robyn Ddu Eryri'), Robert Llwydd [sic], Huw Wiliams, Lewis Mon, Dafydd Llwyd ap Llewelyn ap Gruffydd, Dafydd Richards ('Dewi Silin'), Sion Cain, Morys Thomas ap Hywel, Huw Arwystl, Sir Owen ap Gwilym, Hugh Llwyd, Sion Philip, Sion Tudur, [John Jones] ('Myllin'), [Moris Jones] ('Meurig Idris'), Robert Davies ('Bardd Nantglyn'), Ieuan Gethin ap Ie'n ap Ll'in, William Miltwn, Richard Humphreys (Llanfair [Caereinion]), Gr[uffudd] ab Gr[uffudd], Llywelyn Goch Ameiric hen, Edmund Prys (Archddiagon Meirionydd), 'Sion Gwnfa', Iolo Goch, Raff ab Robert, [William Williams] ('Gwilym ab Ierwerth'), [Thomas Edwards] ('Twm o'r Nant'), Sr Ifan Llwyd Offeiriad, Walter Davies ('Gwallter Mechain'), [David Humphreys] ('Dewi Bardd Einion'), (J. W. Hughes] ('Edeyrn o Fôn'), Llywelyn ap Gutto, Hugh Moris, Taliesin, Ifan Jones ('Ieuan Gwynedd'), John Blackwell ['Alun'], [Robert Jones] ('Bardd Mawddach'), [William Edwards] ('Gwilym Padarn'), [Benjamin iones] ('P. A. Môn'), Cadwaladr Dafydd, Evan Evans ('[Ieuan] Glan Geirionydd'), [Rowland Parry] ('Ieuan Carn Dochan'), [William Ellis Jones] ('G[wilym] Cawrdaf'), [John Athelstan Owen] ('Bardd Meirion'), Robert Parry (Eglwysfach), James Dwnyd, Aneurin Owain, [William Williams] ('G[wilym] Cyfeiliog'), (David Richards] ('Dafydd Ionawr') John Parry, John Llwyd ('o Halfen'), etc., and anonymous poems; poetry in free metres by Dafydd Jones ('y Tailiwr hir'), Edmund Prys (Archddiacon Meirionydd), William Phylip, Elis Edward, John Hughes (Llanbadarn Fawr) ('Ioan Glaslwyn', 'Ioan Min Mochno', 'Bardd Ystwyth'), Thomas Ellis ('Bardd Caerwys'), Sion Tudur, John Edward, Evan Evans ('[Ieuan] Glan Geirionydd'), Dafydd Rees ('Saer Coed', Llanbryn Mair), Dafidd Cadwal[a]dr (Llan y Mowddwy), Sion Prys ('o Fowddwy'), [David Jones] 'Ieuan Cadfan', D. Davies (curate Llan y Blodwell), [Benjamin Jones] ('P. A. Môn'), [John Jones] ('Ioan Tegid'), D. Humphreys ('Dewi Einion'), Thomas Jones (Creaton), etc., and anonymous poems; ' ... henwau pymtheg llwyth Gwynedd'; extracts from John Reynolds: 'A true statement of all the Decendant[s] of the late David Llwyd Boneddwr of Cymmerau in the Parish of Llanbadarn fawr in the County of Cardigan' [grandfather of Mary Richards]; accounts of 'plygain' services at Darowen, Llangynyw and Llan Erful during the period 1842-70; 'Constitua seu Edicta antiquitus in usum Bardorum & Musicorum praescripta. Braint arr wyr gerdd drwy waith Tywyssogion Cymry ...'; ' ... Compownd Manwel' by Dafydd Nanmor; an account of trilobites, seals, etc. in the possession of Mary Richards, 1863-5: personal memoranda by Mary Richards; letters from Thomas Richards, Darowen to his children at the Wrexham eisteddfod, 1823 (personal), [ ] to M[ary] Richards, undated (enclosing nuts, the felling of the largest sycamore tree in the country in the churchyard at Llan y Mowddwy), [Griffith Jones] ('Gruffydd Glan Gwynion') [Dolgellau] to Mair Richards, Darowen, undated (a gift of two books to the recipient, London Eisteddfod) (two copies), W[illiam] Edwards ('Gwilym Padarn'), Llanberis to [Mary] Richards, Llangynyw, 1829 (the proposed publication of Eos Padarn), J. Blackwell ['Alun'], Rhydychain to M[ary] Richards, Darowain, 1824 (an enclosed stanza by 'Tegid'), [Daniel Evans]) 'Daniel Ddu [o Geredigion']) to Mair Richards, Darowain, 1830 (the proposed publication of Gwinllan y Bardd), John Evan[s], secretary, Cymmrodorion or Metropolitan Cambrian Institution to [Mary Richards], 1821 (the election of addressee to honorary membership of the Society), and Elizabeth Richards, Darowen, to Miss [ ] Gardner, 1824 (the antiquarian and other interests of the writer's sister [Mary], an old seal given to [Mary] by the addressee); a portion of a bardic grammar entitled 'Dosparth y llyfr Cynta or Pump llyfr Cerddwriaeth Cerdd dafod'; 'Enwau y Gwyr Ieuang a ddysgodd i ganu'r Bibell neu y Flute Germanaidd Gan Mair Richard Ofyddes Darowen, hithau a ddysgasai ei deall gan ei Brawd Dewi Sillin ... '; accounts of the tithe corn of Darowen, 1591-2; armorial bearings (Gwent, Carmarthenshire, etc.); a list of twenty-two books of pedigree ('Llyfrau Ach') of King Edward VI; a list of twenty-four 'cromlechi' [in Anglesey] ('Cofrestr or Cromlechau neu allorau Derwyddion'); 'Hyd a lled a chwmpas y Ddaear ai Thewdwr'; etc. Among the sources quoted by the scribe are a manuscript of Angharad Llwyd (p. 316) and 'Llyfyr Moelyrch Llansilin' (p. 368).

A volume of armorials, blazons and accompanying notes, 1890-1894, compiled by D. Griffith Davies, relating mainly to Welsh tribes and families.
These include arms of Gwynedd (f. 10), the Five Royal Tribes of Wales (ff. 11-15), the Fifteen Tribes of North Wales (ff. 16-31), the four Welsh Sees (ff. 32-35), chieftains of North Wales and Powys (ff. 35 verso-79) and of South Wales (ff. 80-95) and miscellaneous arms (ff. 88 verso-115, inverted text on versos). Many of the arms (ff. 61-114) are copied from 'Hengwrt MSS No. 395'. The armorials to f. 57 are mostly fully painted, thereafter mostly unpainted. The volume also includes notes taken from F. Edward Hulme, History of Symbolism in Christian Art (London, 1891) (ff. 1-8 verso) and archaeological notes and sketches relating to churches and other antiquities in Anglesey (ff. 117-131 verso).