Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Iolo, Goch, active 1345-1397, 2 canlyniadau
- Williams, Taliesin, 1787-1847, 2 canlyniadau
- Hywel ap Dafydd ab Ieuan ap Rhys, fl. 1450-1480, 2 canlyniadau
- Llywelyn, Thomas, Rhigos, fl. c. 1580-1610, 2 canlyniadau
- Watcyn ap Hywel, 2 canlyniadau
- Mansell family, Barons of Margam, 1 canlyniadau
- Llywelyn Sion, 1540-1615?, 1 canlyniadau
- Richards, Jenkin, fl. mid 17 cent., 1 canlyniadau
- Tudur, Siôn, 1 canlyniadau
- Wiliam Llŷn, 1534 or 5-1580, 1 canlyniadau
- Pob un
- Traditional medicine -- Formulae, receipts, prescriptions, 2 canlyniadau
- Medicine -- Formulae, receipts, prescriptions, 2 canlyniadau
- Veterinary medicine -- Formulae, receipts, prescriptions, 2 canlyniadau
- Traditional veterinary medicine -- Formulae, receipts, prescriptions, 2 canlyniadau
- Tribes -- Wales, 1 canlyniadau
- Glamorgan (Wales) -- Genealogy, 1 canlyniadau
- Carmarthenshire (Wales) -- Genealogy., 1 canlyniadau
- Tribes -- Wales, North, 1 canlyniadau
- Agriculture, 1 canlyniadau
- Montgomeryshire (Wales) -- Genealogy, 1 canlyniadau
