Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Lhuyd, Edward, 1660-1709, 6 canlyniadau
- Iolo Morganwg, 1747-1826, 2 canlyniadau
- Davies, Walter, 1761-1849 -- Correspondence, 2 canlyniadau
- Foulkes, Humphrey, 1673-1747, 2 canlyniadau
- Strata Marcella Abbey (Wales), 1 canlyniadau
- Lhuyd, Edward, 1660-1709 -- Correspondence, 1 canlyniadau
- Lloyd, John, 1733-1793, 1 canlyniadau
- Morris, Lewis, 1701-1765, 1 canlyniadau
- Davies, Walter, 1761-1849, 1 canlyniadau
- Vaughan, Robert, 1592-1667, 1 canlyniadau
- Pob un
- Genealogy, 2 canlyniadau
- Wales -- History, 2 canlyniadau
- Archaeology, 2 canlyniadau
- Welsh literature, 2 canlyniadau
- Welsh language, 1 canlyniadau
- Llanerfyl (Wales), 1 canlyniadau
- Llangadfan (Wales), 1 canlyniadau
- Welsh language -- Grammar., 1 canlyniadau
- Wales -- Antiquities, 1 canlyniadau
- Wales -- Geography, 1 canlyniadau
