Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Political planning -- Great Britain, 16 canlyniadau
- Housing policy -- Great Britain, 2 canlyniadau
- Science -- Great Britain, 2 canlyniadau
- Regional planning -- Great Britain, 2 canlyniadau
- Steel industry and trade -- Great Britain, 2 canlyniadau
- Broadcasting -- Wales, 1 canlyniadau
- Decentralization in government -- Wales, 1 canlyniadau
- Education -- Great Britain, 1 canlyniadau
- Decentralization in government -- Scotland, 1 canlyniadau
- Scotland, 1 canlyniadau