Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Morris, William, 1705-1763., 4 canlyniadau
- Davis, David, 1745-1827., 1 canlyniadau
- Morris, Lewis, 1701-1765., 1 canlyniadau
- Morris, Richard, 1703-1779., 1 canlyniadau
- Jenkins, R. T. (Robert Thomas), 1881-., 1 canlyniadau
- National Library of Wales., 1 canlyniadau
- Morris-Jones, John, 1864-1929., 1 canlyniadau
- Evans, Evan, 1731-1788, 1 canlyniadau
- Pennant, Thomas, 1726-1798 -- Correspondence, 1 canlyniadau
- Williams, Taliesin, 1787-1847, 1 canlyniadau
- Pob un
- Radnorshire (Wales), 1 canlyniadau
- Anglesey (Wales) -- Genealogy, 1 canlyniadau
- Penrhosllugwy (Anglesey, Wales), 1 canlyniadau
- English poetry -- 18th century -- Translations into Welsh., 1 canlyniadau
- Natural history., 1 canlyniadau
- Fossils -- Collection and preservation -- Wales., 1 canlyniadau
- Merioneth (Wales) -- Politics and government -- History., 1 canlyniadau