Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Watkins, Tudor, 1903-1983., 1 canlyniadau
- Development Board for Rural Wales -- Archives, 1 canlyniadau
- Labour Party (Great Britain). Brecon and Radnor Division -- Archives, 1 canlyniadau
- Watkins, Tudor, 1903-1983 -- Archives, 1 canlyniadau
- Freeman, Peter, 1888-1956, 1 canlyniadau
- Jackson, William Frederick Jackson, Baron, 1893-1954, 1 canlyniadau
- Roderick, Caerwyn Eifion, 1927-, 1 canlyniadau
- Trebarried Estate (Wales), 1 canlyniadau
- Mid-Wales Development Corporation -- Archives, 1 canlyniadau
- Pob un
- Powys (Wales), 3 canlyniadau
- Breconshire (Wales), 1 canlyniadau
- Radnorshire (Wales), 1 canlyniadau
- Merioneth (Wales), 1 canlyniadau
- Deeds -- Wales -- Powys., 1 canlyniadau
- Rural development -- Wales., 1 canlyniadau
- Economic development projects -- Wales., 1 canlyniadau
- Newtown (Powys, Wales), 1 canlyniadau
- Ceredigion (Wales), 1 canlyniadau
- Newtown (Powys, Wales) -- Economic conditions., 1 canlyniadau