Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Transport., 2 canlyniadau
- Unemployment., 1 canlyniadau
- Decentralization in government -- Wales, 1 canlyniadau
- Pollution., 1 canlyniadau
- Environment., 1 canlyniadau
- Broadcasting., 1 canlyniadau
- Broadcasting -- Great Britain -- Political aspects., 1 canlyniadau
- Public housing., 1 canlyniadau
- Rural land use., 1 canlyniadau