Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Traditional medicine -- Wales -- Myddfai -- Formulae, receipts, prescriptions, 3 canlyniadau
- Meteorology, 1 canlyniadau
- Weather forecasting, 1 canlyniadau
- Herbs -- Therapeutic use -- Wales -- Early works to 1800, 1 canlyniadau
- Arithmetic, 1 canlyniadau
- Longevity -- Wales -- Tregaron, 1 canlyniadau
- Wales -- Social life and customs, 1 canlyniadau
- Armor -- Great Britain -- Early works to 1800, 1 canlyniadau
- Weapons -- Great Britain -- Early works to 1800, 1 canlyniadau
- Cyfeiliog (Wales) -- Boundaries, 1 canlyniadau
