Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Pennant, Thomas, 1726-1798, 2 canlyniadau
- Williams-Wynn, Watkin, 1749-1789, 1 canlyniadau
- Lhuyd, Edward, 1660-1709., 1 canlyniadau
- Williams-Wynn, Watkin, 1692-1749, 1 canlyniadau
- Williams-Wynn, Watkin, 1772-1840, 1 canlyniadau
- Lhuyd, Edward, 1660-1709 -- Correspondence, 1 canlyniadau
- Giraldus, Cambrensis, 1146?-1223?, 1 canlyniadau
- Myddelton, John, 1685-1747, 1 canlyniadau
- Christ Church (University of Oxford), 1 canlyniadau
- Jones, Owen, Braichybib -- Will, 1 canlyniadau
- Pob un
- Snowdon (Wales), 2 canlyniadau
- Elections -- Wales -- Denbighshire., 1 canlyniadau
- Cadair Idris (Wales), 1 canlyniadau
- Irish language -- Glossaries, vocabularies, etc. -- Latin, 1 canlyniadau
- Land tenure -- Wales -- Merioneth, 1 canlyniadau
- Snowdonia (Wales), 1 canlyniadau
- Latin language -- Glossaries, vocabularies, etc. -- Welsh, 1 canlyniadau
- Plants -- Wales -- Merioneth, 1 canlyniadau
- Plants -- Wales -- Snowdonia., 1 canlyniadau
- Irish language -- Glossaries, vocabularies, etc. -- Welsh, 1 canlyniadau
