Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Medicine -- Formulae, receipts, prescriptions -- Early works to 1800, 1 canlyniadau
- Herbs -- Therapeutic use -- Early works to 1800, 1 canlyniadau
- Traditional medicine -- Formulae, receipts, prescriptions -- Early works to 1800, 1 canlyniadau
- Weaving -- Wales -- Patterns, 1 canlyniadau
- Physiognomy, 1 canlyniadau
- Music theory, 1 canlyniadau
- Spinning -- Wales -- Cefnddwysarn -- Accounting, 1 canlyniadau
