Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Llyfrgell Genedlaethol Cymru = The National Library of Wales, 1981 canlyniadau
- Archifau Richard Burton, Prifysgol Abertawe, 14 canlyniadau
- Prifysgol Bangor, Archifau a Chasgliadau Arbennig, 12 canlyniadau
- Archifau Prifysgol Aberystwyth, 2 canlyniadau
- Prifysgol Cymru, Y Drindod Dewi Sant: Llyfrgell ac Archifau Roderic Bowen, 2 canlyniadau
- Llyfrgell Genedlaethol Cymru = The National Library of Wales, 1 canlyniadau
- Pob un
- John, Augustus, 1878-1961, 3 canlyniadau
- Harris, Howell, 1714-1773, 2 canlyniadau
- Welsh Calvinistic Methodist Church, 2 canlyniadau
- Williams and Williams, Solicitors, 2 canlyniadau
- Myddelton family, of Gwaenynog, Denbigh, Chirk and Ruthin, Denbighshire, London, and Essex, 2 canlyniadau
- Talbot family, of Margam and Penrice Castle, 2 canlyniadau
- Guest, Charlotte, Lady, 1812-1895, 2 canlyniadau
- Davies, J. H. (John Humphreys), 1871-1926, 2 canlyniadau
- Iolo Morganwg, 1747-1826, 2 canlyniadau
- Williams, Richard, 1835-1906, 2 canlyniadau
- Pob un
- Plaid Cymru, 15 canlyniadau
- Liberal Party (Great Britain), 15 canlyniadau
- Labour Party (Great Britain), 15 canlyniadau
- University of Wales., 9 canlyniadau
- University College of Wales (Aberystwyth, Wales), 8 canlyniadau
- Lloyd George, David, 1863-1945, 7 canlyniadau
- Cymdeithas yr Iaith Gymraeg., 6 canlyniadau
- National Library of Wales., 5 canlyniadau
- Eisteddfod Genedlaethol Cymru., 5 canlyniadau
- Labour Party Wales, 5 canlyniadau
- Pob un
- Wales, 148 canlyniadau
- Wales., 26 canlyniadau
- Glamorgan (Wales), 25 canlyniadau
- England, 23 canlyniadau
- Pembrokeshire (Wales), 23 canlyniadau
- Denbighshire (Wales), 20 canlyniadau
- Carmarthenshire (Wales), 17 canlyniadau
- Montgomeryshire (Wales), 16 canlyniadau
- Aberystwyth (Wales), 16 canlyniadau
- Merioneth (Wales), 16 canlyniadau
- Pob un
- Cardiganshire (Wales), 37 canlyniadau
- Aberystwyth (Wales), 37 canlyniadau
- Wales -- Politics and government -- 20th century, 35 canlyniadau
- Welsh poetry -- 20th century, 26 canlyniadau
- Montgomeryshire (Wales), 24 canlyniadau
- Wales, 24 canlyniadau
- Carmarthenshire (Wales), 23 canlyniadau
- Pembrokeshire (Wales), 21 canlyniadau
- English literature -- Welsh authors, 21 canlyniadau
- Merioneth (Wales), 19 canlyniadau
- Pob un
- Deeds -- Wales -- Carmarthenshire., 7 canlyniadau
- Farm rents -- Wales -- Pembrokeshire, 7 canlyniadau
- Farm rents -- Wales -- Glamorgan., 6 canlyniadau
- Farm rents -- Wales -- Montgomeryshire, 6 canlyniadau
- Farm rents -- Wales -- Ceredigion, 6 canlyniadau
- Deeds -- Wales -- Denbighshire., 6 canlyniadau
- Deeds -- Wales -- Cardiganshire, 6 canlyniadau
- Deeds -- Wales -- Merionethshire, 6 canlyniadau
- Deeds -- Wales -- Glamorgan., 5 canlyniadau
- Deeds -- Wales -- Denbighshire, 4 canlyniadau
