Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Strata Marcella Abbey (Wales), 1 canlyniadau
- Lhuyd, Edward, 1660-1709, 1 canlyniadau
- Morris, Lewis, 1701-1765, 1 canlyniadau
- Owen, Goronwy, 1723-1769?, 1 canlyniadau
- Morris, Richard, 1703-1779, 1 canlyniadau
- Iolo Morganwg, 1747-1826, 1 canlyniadau
- Honourable Society of Cymmrodorion (London, England), 1 canlyniadau
- Davies, Walter, 1761-1849 -- Correspondence, 1 canlyniadau
- Jones, William, 1726-1795, 1 canlyniadau
- Edwards, John, 1747-1792, 1 canlyniadau