Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Dafydd, Cadwaladr, 1 canlyniadau
- Ieuan Glan Geirionydd, 1795-1855, 1 canlyniadau
- Davies, Robert, 1769-1835, 1 canlyniadau
- Richards, Mary, 1787-1877, 1 canlyniadau
- Roberts, Cadwaladr, d. 1708/9, 1 canlyniadau
- Richards, Lewis, 1799-1860, 1 canlyniadau
- Richards, Thomas, 1754-1837, 1 canlyniadau
- Richards, David, 1783-1826 -- Correspondence, 1 canlyniadau
- Heber, Reginald, 1783-1826, 1 canlyniadau
- Richards family, Darowen -- Correspondence, 1 canlyniadau
- Pob un
- Herbs -- Therapeutic use -- Early works to 1800, 1 canlyniadau
- Medicine -- Formulae, receipts, prescriptions, 1 canlyniadau
- Home economics, 1 canlyniadau
- Traditional medicine -- Formulae, receipts, prescriptions -- Early works to 1800, 1 canlyniadau
- Shorthand -- Handbooks, manuals, etc., 1 canlyniadau
