Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Llanelli Copper Works., 1 canlyniadau
- Swansea Copper Works., 1 canlyniadau
- Nevill family, of Llanelli., 1 canlyniadau
- University of Wales Swansea., 1 canlyniadau
- Rees, J. C. (John Collwyn) -- Archives., 1 canlyniadau
- Mill, John Stuart, 1806-1873, 1 canlyniadau
- Capel Ebenezer -- Wales -- Swansea -- Archives, 1 canlyniadau
- Pob un
- Swansea (Wales), 2 canlyniadau
- Copper industry and trade -- Wales -- Llanelli -- Records and correspondence., 1 canlyniadau
- Copper industry and trade -- Wales -- Swansea -- Records and correspondence., 1 canlyniadau
- Coal mines and mining -- Wales -- Llanelli., 1 canlyniadau
- Lead industry and trade -- Isle of Man., 1 canlyniadau
- Lead industry and trade -- Wales -- Ceredigion., 1 canlyniadau
- Lead industry and trade -- Wales -- Llanelli, 1 canlyniadau
- Lead industry and trade -- England -- Cornwall, 1 canlyniadau
- Llanelli (Wales), 1 canlyniadau
- Nuclear warfare., 1 canlyniadau
