Rate book, [1827x1829], for the parish of Berriew, Montgomeryshire, listing owners and occupiers and description of property by township.

Minutes, 15 July-15 December, 1873, of a committee to consider the establishment of a British School at Bethesda, Caernarvonshire. The secretaries of the committee were John Jones, bookseller, and W. J. Parry, and the present volume is in the latter's hand.

A typescript draft, with manuscript revision and additions, of an unpublished volume on Bilingualism in Education in Wales, compiled by Dan Lynn James, former Language Organiser for Ceredigion, mainly between 1973 and 1977, together with an introductory chapter by Jac L. Williams and comments on the work by R. M. (Bobi) Jones.

A copy of The Longfellow Birthday Book which belonged to M. A. Parry, Deganwy, Llandudno, and which contains autographs and a few watercolour sketches.

A blacksmith's account book kept by David Benjamin, Nantygleisiaid, Capel Seion, Cardiganshire, 1835-72.

Deeds, 1627-1823 relating to properties in the township of Bodynfoel in the parish of Llanfechain, Montgomeryshire.

Account book, 1822-1827, of John Lewis, Tanlan-isaf, later of Greenhill, Llandybïe, co. Carmarthen, bootmaker, with indexes of customers' names.

Papers, including correspondence, agenda and minutes, 1965-1970, of the Bowling Association of Wales, together with papers from 1962 concerning the secession of the six county associations (Cardiganshire, Carmarthenshire, Mid Wales (Brecon and Radnor), Monmouthshire, Montgomeryshire and Pembrokeshire) from the Welsh Bowling Association (co. Glamorgan) in 1965

Mainly unrelated deeds, 1488-1861, relating to property in Monmouthshire, Herefordshire and Gloucestershire.

Papers found loose inside NLW MS 13854iE, including draft notes by Walter Jones Williams for an article on 'Brecknockshire traditions, &c.', published in Archaeologia Cambrensis (1858), 156-161.

Records relating to parliamentary elections for the county of Brecon, Brecknockshire, 1874-1880, apparently emanating from the Conservative Party organisation in the Crickhowell and Tal-y-bont Polling Districts.

A draft tract entitled 'Proofes drawne from authorities and other reasons why Cadelh prince of Southwales was the eldest sonne of Roderic the greate (kinge of Wales) and that he and his issue after him had a superioritie over the rest of Wales and his two bretheren and the descendantes from them' by, and in the autograph of, Robert Vaughan of Hengwrt. The substance of this tract was subsequently incorporated in Vaughan's British Antiquities Revived (Oxford, 1662). The volume contains both the arguments and answers set forth by Vaughan and therefore differs considerably from Peniarth MS 277 which contains only the arguments.
Pasted inside the front cover is a short description of the volume in the form of a cutting from Messrs. Sotheby, Wilkinson and Hodge’s Sale Catalogue of the Mostyn Library (1919), p. 22.

Deeds, relating to properties in the following counties: Anglesey, 1737-1871; Cardiganshire, 1736-1780; Carmarthenshire, 1684-1838; Caernarfonshire, 1831-1878; Denbighshire, 1591-1837; Flintshire, 1465-1855; Glamorgan, 1597-1883; Merionethshire, 1793; Pembrokeshire, 1683-1857; and Radnorshire 1623-1816.

Correspondence and papers relating to Clifford McLucas' installation 'Bro' at the 2002 National Eisteddfod at St. David's, comprising mainly publicity material, printed booklets, notes, sketches and designs, administrative and financial papers.

Deeds relating to the Pit, Dorstone, Herefordshire, and to Brook House, Llanigon, Brecknockshire, 1754-1965; and deeds relating to a cottage in Llanigon, 1854-1898.

An incomplete transcript of 'Chronica Principum Walliae' or 'Brut y Tywysogion', probably based on the text in 'Llyfr Coch Hergest' and bearing a close resemblance to the text found in Peniarth MS. 212, and a transcript of another chronicle from Cadwalydr Vendigeid to A.D. 1565.

Deeds, 1564-1857, relating to the Bachegraig estate, Flintshire; brief diary entries of Gabriel and Hester Lynch Piozzi, 1797-1812 (NLW MSS 11096-102); correspondence, 1756-1823 (NLW MS 11103D); heraldic and genealogical records, 1813 (NLW Rolls 223); and a survey and valuation of the Bachegraig estate, 1790, which also includes accounts, 1788-1807 (NLW MS 11104C).

Deeds, mostly relating to the estate of the Burchinshaw family, Denbighshire, 1668-1750, and the Tremadog, Caernarfonshire, estate of the Roche family, 1895-1900.

Deeds and documents, 1719-1855, relating mainly to the Peniarth estate in Merionethshire and Caernarfonshire, mainly leases, bonds and mortgages, 1728-1767.