Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Llyfrgell Genedlaethol Cymru = The National Library of Wales, 14144 canlyniadau
- Prifysgol Caerdydd, Casgliadau Arbennig ac Archifau, 120 canlyniadau
- Prifysgol Bangor, Archifau a Chasgliadau Arbennig, 19 canlyniadau
- Archifau Richard Burton, Prifysgol Abertawe, 14 canlyniadau
- Archifau Prifysgol Aberystwyth, 2 canlyniadau
- Prifysgol Cymru, Y Drindod Dewi Sant: Llyfrgell ac Archifau Roderic Bowen, 2 canlyniadau
- Canolfan Materion Rhyngwladol Cymru, 1 canlyniadau
- Pob un
- Thomas, Edward, 1878-1917, 73 canlyniadau
- Jones, David, 1895-1974, 27 canlyniadau
- Powys, John Cowper, 1872-1963, 18 canlyniadau
- John, Augustus, 1878-1961, 17 canlyniadau
- Thomas, Dylan, 1914-1953, 14 canlyniadau
- Griffiths, E. H. (Ernest Howard), 1851-1932, 13 canlyniadau
- Pennant, Thomas, 1726-1798, 11 canlyniadau
- Owen, Morfydd, 1891-1918, 8 canlyniadau
- Yonges Family Society, 8 canlyniadau
- Lloyd George, David, 1863-1945, 7 canlyniadau
- Pob un
- Legonna Celtic Research Prize (Literary Prize), 22 canlyniadau
- Jones, David, 1895-1974 -- Correspondence, 21 canlyniadau
- Cymdeithas Gyfeillgar Glannau Rhyddallt (Llanrug, Wales) -- Accounting, 17 canlyniadau
- Labour Party (Great Britain), 16 canlyniadau
- Lloyd George, David, 1863-1945, 14 canlyniadau
- Dafydd ap Gwilym, active 14th century, 12 canlyniadau
- Liberal Party (Great Britain), 10 canlyniadau
- Ellis, Thomas Edward, 1859-1899, 9 canlyniadau
- Tudur, Siôn, 8 canlyniadau
- Morys, Huw, 8 canlyniadau
- Pob un
- Wales, 765 canlyniadau
- Wales., 82 canlyniadau
- England, 70 canlyniadau
- Pembrokeshire (Wales), 35 canlyniadau
- Great Britain, 34 canlyniadau
- Llangollen (Wales), 28 canlyniadau
- Machynlleth (Wales), 25 canlyniadau
- Montgomeryshire., 22 canlyniadau
- Denbighshire., 18 canlyniadau
- Glamorgan, 17 canlyniadau
- Pob un
- Aberystwyth (Wales), 40 canlyniadau
- Cardiganshire (Wales), 37 canlyniadau
- Wales, North -- Description and travel, 32 canlyniadau
- Merioneth (Wales), 27 canlyniadau
- Montgomeryshire (Wales), 27 canlyniadau
- Patagonia (Argentina and Chile), 26 canlyniadau
- Wales, 26 canlyniadau
- Carmarthenshire (Wales), 25 canlyniadau
- Pembrokeshire (Wales), 24 canlyniadau
- Llangollen (Wales), 23 canlyniadau
- Pob un
- Welsh poetry -- 19th century, 64 canlyniadau
- Tune books, 40 canlyniadau
- Welsh poetry -- 19th century., 36 canlyniadau
- Welsh poetry -- 20th century., 29 canlyniadau
- Sermons, Welsh, 27 canlyniadau
- Tune books., 24 canlyniadau
- Welsh poetry -- 18th century, 16 canlyniadau
- Hymns, Welsh -- 19th century, 14 canlyniadau
- English poetry -- 20th century., 14 canlyniadau
- English poetry -- 19th century., 13 canlyniadau
