Amlwch Manuscripts
Papers of the Matthews family of Amlwch, formerly of Mold and Aberystwyth, 18th-19th cent.
Anglesey Hunting Club Records
Records of the Anglesey Hunting Club, established in 1815
Anglesey Hunt Records and Aftefacts
Records of the Anglesey Hunt, the oldest hunt in Britain
Ashby (Ty Calch) Manuscripts
Correspondence and personal memoranda of the Prytherch family of Dyffryn Gwyn, Trefdraeth, Anglesey and the Williams family of Ty Calch, Bodorgan, 18th-19th cent.
Bala-Bangor Manuscripts
Records of the Bala-Bangor Independent College
Baron Hill Manuscripts
Records of the Bulkeley family of Baron Hill, Beaumaris, Anglesey, 14th-20th cent.
Beaumaris and Anglesey Records
Records of the Borough Council of Beaumaris, 17th-20th cent.
Belmount Manuscripts
Family papers of Sir Henry Lewis of Belmont, Bangor
Bodorgan Manuscripts
Records of the Meyrick family of Bodorgan, Anglesey, 15th-20th century
Bodrhyddan Manuscripts
Records of the Bodrhyddan estate in Flintshire and its successive owners, the Conway, Yonge, Shipley, Shilpey-conwy and Rowley-Conwy families, 14th-20th century
Broom Hall Manuscripts
Deeds and various documents presented by W.P.O. Evans of Broom Hall near Pwllheli, Caernarfonshire
Brynaerau Manuscripts
Family papers of Solomon Williams, 1770-1848 of Brynaearau Isa, Clynnog, Caernarfonshire
Caerau Manuscripts
Records of the Owens family of Caerau in the parish of Llanfair-yng-Nghornwy, Anglesey, 17th-20th cent.
Carter Vincent Manuscripts
Records from the office of Carter Vincent & Co., Bangor, solicitors, 18th-20th cent.
Castell Manuscripts
Papers of the Roberts family of Castell near Pentir, Bangor, Caernarfonshire
Cefn Du Manuscripts
Records relating to the Cefn Du Slate Quarry in the parishes of Llanrug and Llanbeblig co. Caernarfon
Cefn Llan Manuscripts
Papers relating to the Hughes family of Cefn Llan and Cefn Llan Uchaf in the parish of Llanddeiniolen, Caernarfonshire
Coetmor Manuscripts
Papers of William John Parry, 1842-1927, of Coetmor Hall, Bethesda, a leading political figure and founder of the North Wales Quarrymen’s Union
Corfanydd Manuscripts
Papers of Robert Herbert Williams (Corfanydd), 1805-1876, hymn writer
Crawley-Vincent Manuscripts
Papers relating to the Crawley and Vincent families of Gorddinog, Abergwyngregyn, Caernarfonshire
Cynhaiarn Manuscripts
Records from the office of Gwyndaf Williams, Porthmadog, solicitor, but mostly accumulated during the practice of a former principal of the firm, Thomas Jones (Cynhaiarn) who died in 1916
Dinam Hall Manuscripts
Papers of the Williams family of Dinam Hall, Llangaffo, Anglesey, 17th-19th century
Edern Manuscripts
Papers of Ellis James of Vaynol Home Farm, Bangor who died in 1878, farmer
William Charles Evans Papers
Papers of Williams Charles Evans, 1911-1988, biochemist
Gaianydd Manuscripts
Papers of the Rev. O Gaianydd Williams who died in 1928, Calvinistic Methodist Minister
Garthewin Manuscripts
Records of the Garthewin estate, Denbighshire,15th-19th century
Gasquoine Manuscripts
Papers of Rev. Thomas Gasquoine who died in 1913, Congregational minister
Goppa Diaries
Diaries of David Tegla Jones of Goppa Farm, Trawsfynydd, Merionethshire, farmer and councillor, 19th-20th century
R.D. Griffith Manuscripts
Papers of R.D. Griffith of Old Colwyn, Denbighshire, who died in 1958, amateur musician and authority on Welsh religious music
Gwalchmai Manuscripts
Papers of the Rev. Richard Parry (Gwalchmai), 1803-1897, Independent Minister
Gwredog Manuscripts
Records of Gwredog farm, Amlwch, Anglesey and its inhabitants, 19th-20th century
Gwyneddon Manuscripts
Manuscripts collected by John Davies (Gwyneddon) and Gwyneddon Davies of Caernarfon, consisting mostly of early Welsh poetry, 16th-19th century
Henblas A and Henblas B Manuscripts
Papers relating to the Lloyd, Morgan and Evans families of Henblas and Trefeilir, Anglesey, 16th-20th century
Henllys Manuscripts
Records of the Henllys and Bodior estates in Beaumaris and Rhoscolyn, Anglesey, 16th-20th century
Gabriel Hughes Manuscripts
Papers of Gabriel Hughes, 1861-1932 of Rhyl, grocer
DR Hugh Jones Manuscripts
Papers of Dr Hugh Jones, 1857-1919, Wesleyan minister and historian
Kinmel Manuscripts
Records of the Kinmel estate, co. Denbigh and Flintshire, 14th-20th century
Llecheiddior Manuscripts
Papers of R.H. Evans of Pwllheli and Melin Llecheiddior, Principal of Madryn Castle Farm School and licensed valuer in Caernarfonshire and Anglesey
Lligwy Manuscripts
Papers of the Lligwy estate, Anglesey, 15th-20th century
Sir John Edwards Lloyd Manuscripts
Papers of Sir John Edward Lloyd, historian
Llwydiarth Escob Manuscripts
Records from the office of Thomas Prichard, of Llwydiarth Esgob, Llannerchymedd, Anglesey, solicitor, 16th-20th century
Llysdulas Manuscripts
Papers of the Lewis and Hughes families of Llysdulas, Anglesey and Kinmel Park, co. Denbigh
Maesyneuadd Manuscripts
Papers relating to the Wynne and Nanney families of Maesyneuadd and Maesypandy, Merionethshire
Melville Richards Place-Name Archive
An archive of place-name material amassed by Professor Melville Richards, 1910-1973. To consult the archive, go to http://www.e-gymraeg.co.uk/enwaulleoedd/amr/
Meudwy Môn Manuscripts
Papers of Rev. Owen Jones (Meudwy Môn), 1806-1889, Calvinistic Methodist Minister
Mona Mine Manuscripts
Records of the Mona Copper Mine, Parys mountain, Anglesey
Morfa Manuscripts
Papers of the Rev. Joseph Morris, 1806-1891, of Madryn Lodge, Caernarfonshire
Mostyn Manuscripts
Records of the Mostyn family, Mostyn, Flintshire, 13th-20th century, including literary and historical manuscripts
Nannau Manuscripts
Papers of the Nannau family of Nannau, Dolgellau, the Vaughans of Hengwrt and Dolmelynllyn, Merionethshire and those relating to the Meillionydd and Ystumcolwyn estates, 15th-20th century
Nantlle Manuscripts
Records relating to slate quarries in the Nantlle Valley
Newell Manuscripts
Papers of the Rev. Richard Newell, 1785-1852
Nicander Manuscripts
Papers of the Rev. Morris Williams (Nicander), 1809-1874
Pamplin Papers
Correspondence of William Pamplin, 1806-1899, botanist, botanical publisher, bookseller and agent for the distribution of seeds
Penrhos Manuscripts
Papers of the Owen family of Penrhos, Anglesey
Penrhyn Castle Manuscripts
Records of the Penrhyn estate, 13th-20th century
Penrhyn BRA Manuscripts
Records of the Penrhyn estate, received through the British Record Association
Penrhyn Correspondence - Bethesda Intermediate School
Correspondence relating to the foundation of Bethesda Intermediate School
Penrhyn Correspondence - Quarry Strike
Correspondence relating to the Penrhyn Quarry Strike
Pentre Mawr Manuscripts
Documents relating to properties in Aberchwilar, Eglwys-bach, Llandyrnog and Spythyd, co. Denbigh, 16th-19th century
Plas Carreg Manuscripts
Papers relating to land in the Llyn Peninsula and featuring Carreg estate family members,16th-20th century
Plas Coch Manuscripts
Papers of the Hughes and Hughes-Hunter families of Plas Coch and Brynddu, Anglesey, 15th-20th century
Plas Gwyn Manuscripts
Records of the Plas Gwyn estate, Pentraeth, Anglesey, 15th-19th century
Presaddfed Manuscripts
Records of the Dronwy and Presaddfed estates in Anglesey, 15th-20th century
Plas Newydd Manuscripts
Records of the Plas Newydd estate, Anglesey
Porth-yr-Aur Manuscripts
Collection of papers accumulated in the office of John Evans, attorney of Porth-yr-Aur, Caernarfon, 16th-19th century
Rhiwbach
Records of the Rhiwbach slate quarries, Ffestiniog, 19th-20th century
Sale Catalogues
Sale Catalogues of properties in the counties of Anglesey, Caernarfon, Carmarthen, Denbigh, Flint, Merioneth, Montgomery and Radnor in Wales, and in the counties of Stafford and Cheshire in England, 18th-20th century
Searell
Papers of Allen Searell of Beddgelert, formerly of Devon who died in 1865, mining and quarrying developer.
Shankland
Papers of the Rev. Thomas Shankland, 1858-1927, Welsh Librarian of the University College of North Wales
Stapleton-Cotton
Stapleton family papers, West Indian sugar plantation owners, 18th-19th century
Trallwyn
Deeds and documents relating to properties in Llangybi, Carngiwch and Pwllheli, Caernarfonshire, 17th-19th century
Tregayan
Deeds and documents relating to properties in Anglesey and Caernarfonshire, deposited by Roger Lloyd of Plas Tregayan, Llangefni, Anglesey
Tynygongl
Records from the office of Messrs J.S. Laurie & Co., late of Tynygongl, Beaumaris, solicitors. Includes deeds, wills, rentals, maps and plans relating to estates and properties in Anglesey, Caernarfonshire, Merionethshire and Denbighshire.
Wheldon
Papers presented by Sir Wyn Wheldon, comprising the papers of Robert Jones of Rhos-lan, 1745-1829 and his sons, 18th-19th century
Whitney and Clifford
Records from the office of E. Thornton Jones, Bangor, solicitor. Includes documents relating mainly to the manors and parishes of Whitney and Clifford in north west Herefordshire, 14th-19th century
Sir Ifor Williams Papers
Papers of Sir Ifor Williams, 1881-1965. Celtic Scholar and Professor of Welsh at the University College of North Wales
Wyn Hall Manuscripts
Records of the Kenrick family of Wynn Hall, Ruabon, Denbighshire, 17th-20th century
Yale
Papers relating to the Jones-Parry family of Cefn Llanfair and Madryn estates, Caernarfonshire. Presented by Mr and Mrs Yale of Llanbedrog near Pwllheli