Deeds, 1490-1977, including deeds and documents mainly relating to properties on Anglesey, Caernarfonshire, Merionethshire and Middlesex, 1675-1977; and deeds relating to properties in Finchley, Middlesex, 1490-1796.

An interleaved copy of Henry Rowlands, Mona Antiqua Restaurata ... (Dublin, 1723, ESTC T139797), with manuscript notes by two former owners, Lewis Morris, [1740s], and Sir J. T. Stanley (later 1st Baron Stanley of Alderley), [1840s].
The notes are to be found on additional leaves inserted at the beginning of the volume (ff. i-ii, pp. 1-84 passim), at the end (pp. 85, 166-168) and on the interleaves, with annotations on some of the original printed leaves by Lewis Morris. The volume also includes a number of pen and wash drawings by Lewis Morris of churches, houses and other objects, including churches at Rhospeirio, Llanrhuddlad (pencil draft), Amlwch, Holyhead, Llanddona, Penrhôs Lligwy, Llanelian (pencil draft), Llanerchmedd, Bodedern, Llanfechell, Llanynghenedl, Llanfflewyn, Llanvair yn Neubwll, Llanddausant, Aberffraw and Bodewryd, the village of Llanfechell, and the seats of Brynddu, Caerau, Bodowen, Bodorgan and Penrhos; these are mostly to be found on the additional leaves at the end of the volume (pp. 85-143 passim).

An imperfect draft of a plan for a history of Anglesey: Chapter 5. 'of the soil of the Island', etc. (f. 2 recto-verso); Chapter 6. 'of the Inhabitants, Religion and Sects. Their meat & drink. Their raiment. Beds' (ff. 2 verso-3 verso); Chapter 7. 'Catalogues of Fishes, Fowl & Beasts' [heading only] (f. 4); Chapter 8. 'of Reptiles &c. of Trees, Plants Comon in this Island, of Fossils & subteranian [sic] trees' [there are no particulars of reptiles] (f. 4 recto verso)); Chapter 9. 'of the air of the Island', etc. [heading only] (f. 4 verso).

A composite volume, the first portion of which (pp. 1-78, old foliation 1-38), written in the early eighteenth century, contains selections from Flores poetarum, triads, englynion, the divisions of Wales (pp. 29-33), cywyddau, poems in free metre, and an incomplete table of the contents of the latter portion of the volume (pp. 57-59). The second part of the volume (pp. 79-406, old foliation 1-245 with gaps) has been neatly written in two or more hands, one of the seventeenth century and the others of the early eighteenth century. It contains Welsh poems in strict and free metres from the fifteenth to the eighteenth centuries, many of them either of Anglesey interest or written by Anglesey poets, particularly Lewis Môn, Sion Brwynog and John Griffith of Llanddyfnan.
Among miscellaneous items are copies of the Articles of Agreement between the Parliamentary Commissioners and the inhabitants of Anglesey, 1648 (pp. 295-296); Sir Edward Trevor's riddle (p. 312); and a short bardic grammar (pp. 358-362).

Deeds and other documents, [16 cent.]-[19 cent.], collected by James Coleman, relating to Anglesey, Brecknockshire, Cardiganshire, Carmarthenshire, Caernarfonshire, Denbighshire, Flintshire, Glamorgan, Merionethshire, Monmouthshire, Montgomeryshire, Pembrokeshire, and Radnorshire, in Wales; and Cornwall, Cumberland, Gloucestershire, Herefordshire, Lancashire, Shropshire, and Suffolk, in England.

Deeds, 1507-[1839], mainly relating to Flintshire, and to a lesser extent to Denbighshire and Anglesey.

Manuscripts of, or collected by, John Edwards Griffith, [c. 1715]-1929, including pedigrees, memoranda and genealogical notes relating mainly to Anglesey and Caernarvonshire; a volume of pedigrees by John Ellis, Tai Croesion, 1723; manuscripts of William Williams, Llandygái; and some 350 letters, [c. 1892]-1929, to J. E. Griffith relating to botany and genealogy and to his publications.

A volume of accounts, memoranda, etc., 1764-1794, in the autograph of the Rev. Owen Jones (d. [at Beaumaris] 18 January 1795), rector of Newborough, 1747-1793, and Llaneilian, Anglesey, 1793-1795, with some additional entries to 1817 by his daughter, Catherine Jones [Brondeg, Beaumaris]. Also in the volume is a calendar of events, family and otherwise, 1751-1796, and a copy of the petition of William Jones, late of Hengai in the parish of Llangeinwen, Anglesey, labourer, confined in Beaumaris Gaol, 30 April 1766, to the Commissioners of HM Customs in London. Loose papers include two leaves probably from an earlier account- book, 1755-1756.

A transcript, possibly in the hand of J. E. Griffith, of a work by William Williams, Llandygai, entitled 'Cursory Remarks on the ancient and present state of the county or Island of Anglesey'. A note in pencil reads 'Written by Wm Wms of Llandegai from 1800-6'. The original manuscript from which the transcript was made appears to have been similar to, but not identical with, NLW MS 822C, which is dated 1807.
This is followed by a transcript of ['Mona Antiqua'] 'Tyn-Trefoel or Dindryfal' and 'Cadmarth' by H[ugh] Prichard, Dinam, from Archaeologia Cambrensis, 1871, pp. 300-310;, some account of Treveilir, Llowarch ap Bran, Porthamel Isa now Plas Coch, and the family of [Henblas, Llangristiolus], etc.; copies of the following wills: Thos Ellis, Portynllaen, Caernarvonshire, 1704, William Williams of Brondanw, Merioneth, 1779, Moris Lloyd of Plas Bach, Cerrigceinwen, Anglesey, 1647, and Richard Maddock of Richmond Hill [Llanfair-is-gaer], Caernarvonshire (d. 1827), the administration of Lewis Meredydd, Cae Mawr, Llangeinwen, 1699, and the nuncupative will of Wm Glynne of Elernion, Caernarvonshire, 1695 (original at Plas Brereton); and a copy of 'Sir John Bodvel a ballad written by the Late Mr Jno. Vaughan Lloyd Rector of Hope, Flintshire'.

A volume of notes on Anglesey in the hand of William Williams, Llandygai, most of which are crossed out, consisting of a list of historical events (ff. 1-5), followed by the notes on Anglesey (ff. 6-39v) and 'Kadeir Kerridwen' (f. 40).

A volume containing the original manuscript of 'A List of the Clergy of Anglesey' by J. E. Griffith, published in Transactions of the Anglesey Antiquarian Society, 1930 and 1931, with the beginnings of a similar list for Caernarfonshire.

Extracts from the diary of William Bulkeley of Brynddu, Anglesey, for the period 1734-51, transcribed by J. E. Griffith and published in Transactions of the Anglesey Antiquarian Society, 1931; a list of officers of the Anglesey Hunt, 1757-1889; notes on the Free Grammar School of Beaumaris; notes on deeds relating to Chwibren and extracts from Llansadwrn, [Anglesey] parish registers, 1612-1798.

Extracts from the diary of William Bulkeley of Brynddu, Anglesey, for the period 1734-60, transcribed by J. E. Griffith and published in Transactions of the Anglesey Antiquarian Society, 1931; list of High Constables of Anglesey for 1718; rates of wages of servants, etc., in Anglesey, 1718; and an account of the offerings received by the parson of Llanfechell, July 1734-July 1736.

Two books of legal precedents, one containing examples from England, mainly London, and the other containing copies of documents relating to actions in the counties of Anglesey, Caernarvonshire, Merioneth, and Shropshire.

Four volumes containing an account of Anglesey, its history and place names compiled by Thomas Pritchard (''Rhen Graswr Elaeth') (Amlwch, 1907).

Deeds and documents (1668-1882) relating to properties mainly in in co. Flint (Axton, Bistre, Caergwrle, Coleshill, Cwm, Cwm Uwchglan, Diserth, Estyn or Hope, Hawarden, Holywell, Hope, Hope Owen, Huriathicke, Kilken, Kinnerton, Mould, Newmarket, Northop, St Asaph, Shordley, Skeiviog, and Whitford), but also in cos Denbigh (Denbigh, Henllan, Llanrwst and Lleweny), Chester (Chester and Dodleston), Brecknock (Devynnock), Anglesey (Amlwch, Coedana, Llanerchymedd, Llanbadrug, Llanddyfnan, Llanfechell and Llanfihangel Tre'r Beurdd), Montgomery (Berth Lloyd) and Pembroke (Amroth). The main families were Mostyn of Mostyn Hall and Hope of Broughton and Hope.

Assessments of royal aid for defraying the expense of the Navy, to be levied in the hundreds of Llifon, Talybolion, Menai, Twrcelyn, Malltraeth and Dindaethwy.

Deeds and documents, 1555-1875, relating to properties in the counties of Pembrokeshire, Anglesey, Montgomeryshire; deeds, 1696-1868, of lands in the parishes of Llanfair Dyffryn Clwyd, Llanelidan, Efenechtyd, and Llanfwrog, Denbighshire; and documents, 1735-1868, relating to the Eyarth Estate, Denbighshire.

Deeds purchased from W. A. Evans, relating to Denbighshire, Flintshire and Anglesey, 1310-1795.

A volume of transcripts of leases, grants, charters, etc., 1704-1755, relating to the issues and profits of the origianl seal for cos. Caernarvon, Anglesey, and Merioneth, and of sums of money payable for fines and recoveries levied in the said counties, compiled for reference by William Wynne, serjeant at law, who was granted a lease of the original seal in 1729. The volume is indexed.