Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Industrial revolution -- Wales., 1 canlyniadau
- Medicine -- Wales -- History -- 18th century., 1 canlyniadau
- Traditional medicine -- Wales -- History -- 18th century., 1 canlyniadau
- Diseases -- Wales -- History -- 18th century., 1 canlyniadau
- Physicians -- Wales -- History -- 18th century., 1 canlyniadau
- Wales -- Social conditions -- 18th century., 1 canlyniadau
