Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Harris Williams Manuscripts,, 2 canlyniadau
- Diocese of Bangor Records,, 1 canlyniadau
- Iolo Morganwg and Taliesin ab Iolo manuscripts and papers, 1 canlyniadau
- Kyffin Williams Archive, 1 canlyniadau
- Roberts & Evans, Aberystwyth (Solicitors) Records,, 1 canlyniadau
- Lord Davies of Llandinam Papers,, 1 canlyniadau
- Monmouthshire and South Wales Coal Owners Association Records,, 1 canlyniadau
- J. B. Willans Collection, 1 canlyniadau
- Martin Ridley Collection, 1 canlyniadau
- Welsh National Opera Records, 1 canlyniadau
- Pob un
- Ellis, Thomas, of Tredegar, b. 1781 Memoranda by, NLW MSS 5155-5160A, 5 canlyniadau
- Jones, Rees Jenkin, 1835-1924, 2 canlyniadau
- Urdd Gobaith Cymru., 2 canlyniadau
- Harris, Howell, 1714-1773, 1 canlyniadau
- Fishguard Harbour Improvement Company., 1 canlyniadau
- Welsh Church Commission., 1 canlyniadau
- , 1 canlyniadau
- Cambrian Archaeological Association, 1 canlyniadau
- D.T.M. Jones (Firm), 1 canlyniadau
- Great Britain. General Register and Record Office of Shipping and Seamen., 1 canlyniadau
- Pob un
- Morris, Lewis, 1701-1765, 3 canlyniadau
- Rees, William, 1802-1883, 3 canlyniadau
- Welsh Calvinistic Methodist Church, 2 canlyniadau
- Dafydd ap Gwilym, active 14th century, 2 canlyniadau
- Lewis, H. Elvet (Howell Elvet)., 2 canlyniadau
- Jones, T. Gwynn (Thomas Gwynn), 1871-1949, 2 canlyniadau
- Prys, Thomas, 1564?-1634, 2 canlyniadau
- Morys, Huw, 2 canlyniadau
- Wiliam Llŷn, 1534 or 5-1580, 2 canlyniadau
- Edwards, Lewis, 1809-1887, 2 canlyniadau
- Pob un
- Deeds -- Wales -- Monmouthshire, 12 canlyniadau
- Deeds -- Wales -- Carmarthenshire., 12 canlyniadau
- Deeds -- Wales -- Glamorgan, 12 canlyniadau
- Carmarthenshire (Wales), 10 canlyniadau
- Cardiganshire (Wales), 9 canlyniadau
- Deeds -- Wales -- Denbighshire., 9 canlyniadau
- Denbighshire (Wales)., 9 canlyniadau
- Wales, 9 canlyniadau
- Merioneth (Wales), 8 canlyniadau
- Deeds -- Wales -- Pembrokeshire., 8 canlyniadau
- Pob un
- Sermons, Welsh, 8 canlyniadau
- Welsh poetry -- 19th century, 6 canlyniadau
- Accounts NLW MSS 5155-5160A, 5 canlyniadau
- Tune books, 4 canlyniadau
- Sermons, English, 3 canlyniadau
- Psalms (Music) -- Wales, 3 canlyniadau
- Hymns -- Wales -- 19th century, 3 canlyniadau
- Anthems -- Wales, 3 canlyniadau
- Sermons -- Wales, 3 canlyniadau
- Deeds -- Wales -- Carmarthenshire., 2 canlyniadau
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