Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Agriculture -- Wales, 3 canlyniadau
- Industries -- Wales, 3 canlyniadau
- Wales, North -- Description and travel, 2 canlyniadau
- Wales, South -- Description and travel, 2 canlyniadau
- Glamorgan (Wales) -- Description and travel., 1 canlyniadau
- Breconshire (Wales) -- Description and travel, 1 canlyniadau
- Geology -- Wales -- Glamorgan, 1 canlyniadau
- Monmouthshire (Wales) -- Description and travel, 1 canlyniadau
- Geology -- Wales -- Breconshire., 1 canlyniadau
- Geology -- Wales -- Monmouthshire., 1 canlyniadau