Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Agriculture -- Wales, South, 1 canlyniadau
- Wales, South -- Economic conditions -- 19th century., 1 canlyniadau
- World War, 1939-1945 -- Evacuation of civilians -- Wales, South., 1 canlyniadau
- Disasters -- Wales -- Aberfan., 1 canlyniadau
- Aberfan (Wales)., 1 canlyniadau
- Coal -- Wales, South., 1 canlyniadau
- Education -- Wales, South., 1 canlyniadau
- Folk songs, Welsh -- Wales, South, 1 canlyniadau