Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Panton, Paul, 1727-1797, 2 canlyniadau
- Giraldus, Cambrensis, 1146?-1223?, 2 canlyniadau
- Pennant, Thomas, 1726-1798, 2 canlyniadau
- Gwydir Estate (Wales), 2 canlyniadau
- Christ Church (University of Oxford), 2 canlyniadau
- Barrington, Daines, 1727-1800, 2 canlyniadau
- Williams-Wynn, Watkin, 1749-1789, 1 canlyniadau
- Lhuyd, Edward, 1660-1709., 1 canlyniadau
- Johnes, Thomas, 1748-1816, 1 canlyniadau
- Samwell, David, 1751-1798, 1 canlyniadau
- Pob un
- Snowdon (Wales), 6 canlyniadau
- Cadair Idris (Wales), 2 canlyniadau
- Elections -- Wales -- Denbighshire., 1 canlyniadau
- Wales, North -- Description and travel, 1 canlyniadau
- Welsh Indians., 1 canlyniadau
- Welsh language -- Glossaries, vocabularies, etc., 1 canlyniadau
- Mythology, Welsh, 1 canlyniadau
- Great Britain -- Politics and government -- 18th century., 1 canlyniadau
- Moel Eilio (Wales), 1 canlyniadau
- Llyn Idwal (Wales), 1 canlyniadau