A volume, 1906-1907, containing a printed summary of evidence of the Diocese of St Davids to the Welsh Church Commission, and typescript copies of nonconformist statistics for the counties of Anglesey, Caernarfonshire and Carmarthenshire.

Includes material on the annual meeting of the Labour Party Wales held at Llandudno on 27-28 May 1977 and a copy of a memorandum, dated 26 May 1977, entitled 'Developments in Caernarvonshire since March 1974'.

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.

Minute books, correspondence and papers, 1953-1992, relating to the Conservative Party in North Wales, including general political papers and circulars, 1971-1989; papers of the North Wales European Election, 1989; news sheets produced by the Brecon and Radnor Conservative Association, 1963-1972; papers relating to the training of constituency agents, 1970-1978; minutes and correspondence of the executive council of the Caernarvon Division of the Conservative and Unionist Association, 1953-1992; papers concerning the Pwllheli Conservative Club, the Association's Annual General Meetings, briefings and reports, 1982-1992; papers including minutes of the executive council and other committees; correspondence, circulars, memoranda, balance sheets of the Conway Constituency Conservative and Unionist Association, 1967-1982; minutes of the Llandudno Junction branch, 1951-1986; records of the Denbigh Constituency Conservative Association, 1974-1982; papers of the National Society of Conservative and Unionist Agents, both the National and Wales and Monmouthshire branches, 1970-1980; and minutes of the North Wales European Constituency Conservative Council, 1978-1989.

Deeds, documents and probate records, 1617-1853, relating mainly to the parishes of Caerhun, Conwy, Dwygyfylchi, Gyffin, Llanbedrycennin and Llannor, Caernarfonshire, and to the Abbey estate, in Denbighshire, Merionethshire and Caernarfonshire, 1811-1819; notes on sermons, 1861-1889; and miscellaneous papers relating to Amlwch, Anglesey, 1801-1868.

'Notes on Places and Objects in Flintshire and Denbighshire' [and Caernarvonshire], including the parishes and churches of Bodelwyddan, Bodfari, Caerwys, Cilcain, Cwm, Dyserth, Flint, Gwaunysgor, Halkin, Hawarden, Broughton (St Mary's Church), Hawarden (St John the Baptist, Pentrobin), Holywell, Hope, Llanasa, Llanfynydd, Meliden, Mold, Nannerch, Nerquis, Newmarket, Northop, Rhuddlan, Rhyl, St Asaph (parish church and cathedral), Tremeirchion, Treuddyn, Whitford, Ysceifiog, Bangor-is-y-coed, Bettisfield, Hanmer, Is-y-coed, Marchwiel, Overton, Worthenbury, Abenbury Fawr, Allington, Abergele, Bersham, Bettws yn Rhos, Brymbo, Bryneglwys, Bylchau, Burton, Cefn (St Asaph), Cerrig-y-drudion, Chirk, Clocaenog, Denbigh, Derwen, Efenechtyd, Eglwysfach, Erbistock, Esclusham, Gresford, Gwytherin, Henllan, Holt, Llanarmon yn Iâl, Llanarmon Mynydd Mawr, Llanbedr Dyffryn Clwyd, Llanddoget, Llandegla, Llandrillo yn Rhos, Llandyrnog, Llanelian yn Rhos, Llanfair Dyffryn Clwyd, Llanelidan, Llanfair Talhaiarn, Llanferres, Llanfihangel Glyn Myfyr, Llanfwrog, Llangadwaladr, Llangedwyn, Llangernyw, Llangollen, Llangwm, Llangwyfan, Llangynhafal, Llannefydd, Llanrhaiadr yn Cinmerch, Llanrhaiadr ym Mochnant, Llanrhudd, Llanrwst and Capel Garmon, Llansannan, Llansantffraid Glyn Ceiriog, Llansantffraid Glan Conwy, Llansilin, Llantysilio yn Iâl, Llanychan, Llanynys, Marchwiel, Minera, Nantglyn, Pentrefoelas, Ruabon, Ruthin, St George's, Stansty, Trebrys, Trefnant, Wrexham, Ysbyty Ifan, Conway, Llangystennin, Llanrhos (Llandudno) and Llysfaen. Many illustrations of churches, houses, etc. have been included and there are additional notes by Susan Mainwaring (of Henblas, St Asaph).

Minutes and administrative papers of the National Executive Committee of the Campaign for the Protection of Rural Wales, 1958, 1972-1982; Caernarfonshire branch records, 1943-1983; local groups' correspondence files, 1952-1980; subject files containing correspondence and reports, 1945-1980, including Snowdonia National Park, 1945-1979; industrial development, 1942-1981; roads and transport, 1947-1980; forestry, 1947-1980; caravans and holiday accommodation, 1941-1979; and miscellaneous photographs of architecture, rural landscapes and eyesores, including litter, derelict buildings, and obtrusive signs and aerials.

Papers of W. A. Madocks, including his memoranda books, letters to John Williams (his agent at Portmadoc), 1806-1825, and some materials for his biography in the form of copies of letters from Ebenezer Thomas (`Eben Fardd'), John Thomas, Chwilog, Ellis Owen, Cefnymeusydd, and others; a 'statute book' of the 'Ancient and Renowned Borough of Tremadoc', 1805-1810, with an account of the Tremadoc Ball and Hunt; together with records from the Harbour Office, Porthmadog, including account books and registers of Portmadoc harbour, 1824-1917. Also included are records of the Festiniog and Blaenau Railway Co., 1866-1883; plans, sections and other records, 1860-1897, of the Aberystwyth and Welsh Coast Railway, the Bala and Festiniog Railway, the Beddgelert Railway, the Caernarvonshire Railway, the Caernarvonshire and Nantlle Railway, the Cambrian Railway, the Corris, Machynlleth, and River Dovey Tramroad, the Corwen and Bala Extension Railway, the Croesor Railway, the Croesor and Portmadoc Railway, the Festiniog Railway, the London and North Western Railway, the Merionethshire Railway, the Portmadoc, Beddgelert and Rhyd-ddu Railway, and the West Midland, Shrewsbury and Coast of Wales Railway; a register of shareholders and minute books of the Festiniog Refreshment House Company, 1878-1890; a minute book and share ledger of the Penrhyndeudraeth Lead Mining Company, 1875-1882; nominal and muster rolls of the Caernarvonshire Volunteers, 1860-1883, and other Caernarfonshire militia records; a minute book and papers relating to collections in Caernarfonshire towards Queen Victoria's Jubilee, 1886-1887; account books relating to slate quarries and to shipping, and miscellaneous Caernarfonshire material, 1723-[19th century].

Papers, 1634-1928, mostly deriving from and relating to the legal practice of Henry Rumsey Williams, comprising draft conveyances, abstracts of title, letters, accounts and miscellaneous papers of clients, including the estate of Wynn of Glynllifon, 1719-1840, the Griffiths family of Caernarfon and Amwlch, 1726-[1830s], Jared Jackson, 1760-1836, Plasgwyn estate, 1761-1846, Cefn Cwmwd estate, 1763-1828, Coed Helen estate, 1770-1838, Trergo estate, 1771-1832, Parry family, 1773-1788, Peniarth estate, 1773-1830, Orielton estate, 1774-1814, Bodior estate, 1778-1837, Faenol estate, 1778-1840, Arnold Robinson Burrowes, 1785-1837, Grindley family, [c. 1786]-1842, Morgan family, 1787-1839, Treiorwerth estate, 1787-1844, Evan Pritchard, 1788-1813, John Price, 1790-1844 Caerhun estate, 1791-1834, W. A. Madocks, 1799-1824, Nancall estate, 1802-1837, Morris Griffith, 1804-1832, Edward Griffith Roberts, 1805-1827, William Humphrey, 1805-1833, Plas Llanfair estate, 1805-1837, Baily Williams family, 1806-1838, Richard Garnons, 1809-1837, Cefn Hengwrt estate, 1810-1815, George Bettiss, 1810-1831, William Edwards, 1811-1836, Penrhyn estate, 1811-1837, Wyatt family, 1813-1835, Gelli Goch estate, 1815-1831, Anna Maria Wynne, 1816-1833, Robert Thomas, 1818-1839, Roberts family, 1818-1840, Bodegroes estate, 1819-1836, Hughes, Brydges and Granville, bankers, 1819-1840, Vickers family, 1820-1833, Boston estate, 1820-1839, Owen Griffith, 1822-1846, George Holmes Jackson, 1823-1841, the Rev. Hugh Hughes Wynne, 1831-1848, John Rowlands, 1832-1841, and Edward Hosier Williams, 1833, in Caernarfonshire, Anglesey, Denbighshire, and Merionethshire; legal correspondence, 1790-1848, probate records, 1727-1871, and papers relating to civil cases, 1757-1850, religion, 1788-1842, mining, 1779-1842, quarrying, 1798-1840, shipping, 1778- [c. 1841], roads and railways, 1834-1839; legal practice records, 1804-1841, and executorship papers, 1841-1855, belonging to Henry Rumsey Williams, and records of his family in Brecknockshire, Monmouthshire and Caernarfonshire, 1881-1928. Records relating to William's political activities have not survived.

Papurau ymchwil Elfyn Jenkins, 1950-1955, yn ymwneud â thafodiaith Llŷn, sir Gaernarfon, a fwriadwyd ar gyfer gradd MA, gan gynnwys drafftiau llawysgrif a theipysgrif o'r traethawd anorffenedig = Research papers, 1950-1955, of Elfyn Jenkins relating to the dialect of Llŷn, Caernarfonshire, intended for an MA degree, including manuscript and typescript drafts of the unfinished thesis.

Manuscripts collected by, and papers of, the Rev. T. Llechid Jones, including personal correspondence, 1883-1943; miscellaneous correspondence, 1826-1907; diaries, 1888-1935; addresses, 1911-1937; miscellaneous notes, 1888-1941; antiquarian notes, 1700-1943, mainly relating to parishes in North Wales; press cuttings, 1890-1934; pedigrees, genealogical material and correspondence of H. R. Hughes, 1867-1920; deeds and documents relating to Llysfaen, Caernarfonshire, and elswhere, 1597-1880; and printed books, with manuscript notes, 1678-1937.

A manuscript by John Jones ('Myrddin Fardd') containing an introductory chapter ('Rhagymadrodd Enwogion') on the worthies of Llŷn and Eifionydd (subsequently amended in turn to Eifionydd and to Caernarvonshire), together with additional notes and press cuttings on the subject. One of the labels on the outer upper cover is numbered '13' and another is inscribed 'Eben Fardd .... ac Enwogion amryw'.

A manuscript of John Jones ('Myrddin Fardd') containing lists of names of Caernarfonshire worthies; and miscellaneous press cuttings, e.g. 'Y Parch. Walter H. Jones, MA, BD Gan Glanogwen', 'Cipdrem ar ddynion od yr Alltwen. Lewis Lewis (Lewis Glyndyle). Gan Cyw Cloff, Scranton, Pa.', 'Cantref Buallt', 'Ail-agoriad Eglwys Mair Magdalen, Cerrigydrudion', etc.

A typescript of a pamphlet by Lady Stanley entitled 'Some Early British Churches on the North Coast of Caernarvonshire' (privately printed, 1897).