Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Great Britain. Council for Wales and Monmouthshire, 1 canlyniadau
- Trawsfynydd Nuclear Power Station (Wales), 1 canlyniadau
- Nature Conservancy Council (Great Britain), 1 canlyniadau
- Dinorwig Power Station (Wales), 1 canlyniadau
- National Trust in Wales, 1 canlyniadau
- Rio Tinto Zinc Corporation, 1 canlyniadau
- Pob un
- Roads -- Wales, 5 canlyniadau
- Transportation -- Wales, 2 canlyniadau
- Education -- Wales, 1 canlyniadau
- Local government -- Wales, 1 canlyniadau
- Decentralization in government -- Wales, 1 canlyniadau
- Political planning -- Great Britain, 1 canlyniadau
- Rural development -- Wales, 1 canlyniadau
- Housing development -- Wales, 1 canlyniadau
- Agriculture -- Wales, 1 canlyniadau
- Roads -- Wales -- Carmarthenshire, 1 canlyniadau