Yn y mynegeion y mae'r termau sy'n perthyn i ddisgrifiadau byw wedi'u tanlinellu.
A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|Eraill/Other
Oak Farm Co. | Records and correspondence (1 reference)
Oakeley Slate Quarries Company | Archives (1 reference)
Oakley family, | of Carmarthen | Archives (1 reference)
Obituaries | Wales (2 references)
Obituaries | Wales | Gwynedd (1 reference)
Obituaries | Wales | Welshpool (1 reference)
Obstetrics | Wales | Gwynedd (1 reference)
Occupational surveys | Wales, North, (1 reference)
Ocean Coal Company | Records and correspondence (2 references)
Ocean Dry Dock Company | Records and correspondence (1 reference)
Oddfellows Society | Archives (1 reference)
Offley Grove (England) | Archives (1 reference)
Ogmore and Garw (Wales). | Urban District Council | Archives (1 reference)
Ogwen (Wales) | Politics and government (1 reference)
Ogwen (Wales). | Rural District Council | Archives (1 reference)
Ogwr (Wales). | Borough Council | Archives (1 reference)
Oil pollution of the sea | France | Brittany (1 reference)
Old age homes | Wales | Blackwood (Caerphilly) (1 reference)
Old age homes | Wales | Pontardawe (1 reference)
Old age homes | Wales | Powys (1 reference)
Old Persian language | Grammar (1 reference)
Old Siloh Chapel (Landore, Wales) | Archives (1 reference)
Old Testament scholars | Great Britain (1 reference)
Oldcastle (Bridgend, Wales). | Parish Council | Archives (1 reference)
Older Lesbian Network, Wales | Archives (1 reference)
Older lesbians | Wales | Societies and clubs (1 reference)
Oldfield-Davies, Alun, | 1905-1988 | Archives (1 reference)
Oldfield-Davies, Jonathan, | 1876-1960 | Notebooks (1 reference)
Ollivant, Alfred, | 1798-1882 | Archives (1 reference)
Omar Khayyam | Translations into Welsh (1 reference)
Onslow, Douglas Arthur, | b. ca. 1838 | Diaries (1 reference)
Opera | Wales (1 reference)
Operas | Wales (3 references)
Operas | Wales | 20th century | Scores (3 references)
Opticians | Wales | Newport (1 reference)
Oral history | England | East Anglia (1 reference)
Oral history | Wales | Gwynedd (2 references)
Oral history | Wales, South (15 references)
Oral tradition | Wales | Ceredigion (1 reference)
Oratorios | Wales (2 references)
Oratorios | Wales | 20th century | Scores (1 reference)
Orators | Great Britain | 19th century (1 reference)
Orchestral music | Great Britain | 20th century | Scores (1 reference)
Orchestral music | Wales | 19th century (2 references)
Orchestral music | Wales | 20th century (4 references)
Orchestral music | Wales | 20th century | Scores (2 references)
Ordinances, Municipal | Wales | Ceredigion (1 reference)
Ordination (1 reference)
Organ music | Scores (1 reference)
Organ music | Wales | 20th century | Scores (2 references)
Organists | Wales (1 reference)
Organists | Wales | Archives (1 reference)
Organists | Wales | Old Colwyn | Archives (1 reference)
Orielton Estate (Wales) | Records and correspondence (1 reference)
Orlandon Estate (Wales) | Archives (1 reference)
Ormathwaite Estate (Wales) | Archives (1 reference)
Ormathwaite, Arthur Walsh, | Baron, | 1827-1920 | Diaries (1 reference)
Ormathwaite, John Benn Walsh, | Baron, | 1798-1881 | Diaries (1 reference)
Ormsby-Gore family, | Barons Harlech | Archives (4 references)
Ornithology | Wales (2 references)
Ornithology | Wales | Vale of Glamorgan (1 reference)
Orthodox Eastern Church | Greece (1 reference)
Orthopaedic surgeons | Wales | Anglesey | Archives (1 reference)
Orthopaedists | Wales | Gwynedd (1 reference)
Oswestry (England) | Newspapers (1 reference)
Ottley family, | of Pitchford Hall | Archives (1 reference)
Ottley family, | of the West Indies | Archives (1 reference)
Ottley, Adam, | 1653-1723 | Correspondence (1 reference)
Ottley, Adam, | 1685-1752 | Correspondence (1 reference)
Outdoor cooking | Wales (1 reference)
Overton (Wrexham, Wales). | Public Assistance Relief Area | Archives (1 reference)
Overton (Wrexham, Wales). | Rural District Council | Archives (1 reference)
Overtures | Wales (1 reference)
Owain Glyndwr Institute | Records and correspondence (1 reference)
Owain, O. Llew | (Owain Llewelyn) | Archives (1 reference)
Owen family, | of Abbey, Henllan | Archives (1 reference)
Owen family, | of Bodeon | Archives (1 reference)
Owen family, | of Caernarfon | Archives (1 reference)
Owen family, | of Crafnant | Archives (2 references)
Owen family, | of Fferam Isaf | Archives (1 reference)
Owen family, | of Frondeg | Correspondence (1 reference)
Owen family, | of Glansevern | Archives (1 reference)
Owen family, | of Great Nash | Archives (1 reference)
Owen family, | of Henllys | Archives (1 reference)
Owen family, | of Llynlleoedd | Archives (1 reference)
Owen family, | of Orielton | Archives (3 references)
Owen family, | of Orielton | Correspondence (1 reference)
Owen family, | of Peniarth | Archives (2 references)
Owen family, | of Penrhos (Anglesey) | Archives (1 reference)
Owen family, | of Rhuddgaer and Plas Penrhyn | Archives (2 references)
Owen family, | of Summerhill | Archives (1 reference)
Owen family, | of Tal-y-llyn (Gwynedd) | Archives (1 reference)
Owen Williams and Sons, Butchers | Archives (1 reference)
Owen, Bob, | 1885-1962 | Archives (2 references)
Owen, Cecil Edward Vaughan | Archives (1 reference)
Owen, D. Edmondes | Archives (1 reference)
Owen, Daniel, | 1836-1895 | Anniversaries (1 reference)
Owen, Daniel, | 1836-1895 | Archives (2 references)
Owen, Daniel, | 1836-1895 | Biography (1 reference)
Owen, Dyddgu | Archives (1 reference)
Owen, Edward, | 1853-1943 | Archives (2 references)
Owen, Eiflyn Peris, | d. 2003 | Archives (1 reference)
Owen, Ellen, | d. 1954 | Correspondence (1 reference)
Owen, Ellen, | servant to Florence Nightingale | Correspondence (1 reference)
Owen, Emrys Bennett | Archives (1 reference)
Owen, Evan, | confectioner, | Correspondence (1 reference)
Owen, George, | 1552-1613 | Archives (1 reference)
Owen, Gwilym W. | Archives (1 reference)
Owen, Isambard, | Sir, | 1850-1927 | Archives (1 reference)
Owen, J. C. | (John Caleb) | Archives (1 reference)
Owen, John, | 1854-1926 | Archives (1 reference)
Owen, John, | 1854-1926 | Diaries (1 reference)
Owen, Morfydd, | 1891-1918 | Archives (1 reference)
Owen, Nellie, | of Pant | Archives (1 reference)
Owen, Owen Eilian, | 1856-1938 | Archives (1 reference)
Owen, Owen, | Owain Lleyn, | 1786-1867 | Archives (1 reference)
Owen, Richard, | of Glan Conwy, | d. 1963 | Archives (2 references)
Owen, Robert, | 1858-1885 | Archives (1 reference)
Owen, Robert, | 1865-1948 | Archives (1 reference)
Owen, Thomas Edward, | 1871?-1946? | Archives (1 reference)
Owen, Thomas Edward, | 1871?-1946? | Diaries (1 reference)
Owen, Thomas Rule, | 1833-1921 | Archives (1 reference)
Owen, Thomas, | 1872-1956 | Archives (1 reference)
Owen, Thomas, | railway engineer | Archives (1 reference)
Owen, Thomas, | railway engineer | Diaries (1 reference)
Owen, Tom, | HMI | Archives (1 reference)
Owen, W. Berllanydd | (William Berllanydd), | 1899-1984 | Archives (1 reference)
Owen, W. T. | (William Thomas), | d. 2001 | Archives (1 reference)
Owen, William Washington, | 1889-1969 | Diaries (1 reference)
Owen, William, | 1813-1893 | Archives (1 reference)
Owen-Jones, John, | 1883-1962 | Archives (1 reference)
Owens family, | of Tanymynydd, Llanfair Pwllgwyngyll | Correspondence (1 reference)
Owens, David, | fl. 1854-1859 | Archives (1 reference)
Owens, Owen, | of Trawsfynydd | Archives (1 reference)
Oxford House Educational Settlement | Archives (1 reference)
Oxford Street School (Swansea, Wales) | History (1 reference)
Oxwich (Wales). | Parish Council | Archives (1 reference)
Oystermouth (Wales) | Politics and government (1 reference)
Oystermouth (Wales). | Parish Council | Archives (1 reference)
Oystermouth (Wales). | Urban District Council. | Treasurer's Department | Archives (1 reference)
Oystermouth Railway and Tramroad Company | Records and correspondence (1 reference)
A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|Eraill/Other
Diweddarwyd y tudalen/Page updated 2007-10-28 at 23:15:01