Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Richards, Mary, 1787-1877, 3 canlyniadau
- Richards, Thomas, 1754-1837, 3 canlyniadau
- Davies, Walter, 1761-1849, 2 canlyniadau
- Ieuan Glan Geirionydd, 1795-1855, 2 canlyniadau
- Richards, Thomas, 1785-1855, 2 canlyniadau
- Richards family, Darowen -- Correspondence, 2 canlyniadau
- Richards family, Darowen, 2 canlyniadau
- Richards, David, 1783-1826, 2 canlyniadau
- Richards, Mary, 1787-1877 -- Correspondence, 2 canlyniadau
- Richards, Thomas, 1785-1855 -- Correspondence, 2 canlyniadau
- Pob un
- Medicine -- Formulae, receipts, prescriptions, 3 canlyniadau
- Home economics, 2 canlyniadau
- Herbs -- Therapeutic use -- Early works to 1800, 1 canlyniadau
- Tithes -- Wales -- Darowen, 1 canlyniadau
- Farms -- Wales -- Dolgellau -- Accounting, 1 canlyniadau
- Farms -- Wales -- Ganllwyd -- Accounting, 1 canlyniadau
- Agriculture -- Wales -- Dolgellau -- Accounting, 1 canlyniadau
- Agriculture -- Wales -- Ganllwyd -- Accounting, 1 canlyniadau
- Agricultural administration -- Wales -- Dolgellau, 1 canlyniadau
- Agricultural administration -- Wales -- Ganllwyd, 1 canlyniadau
