Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Coal mines and mining -- Wales -- Llanelli., 2 canlyniadau
- Swansea (Wales), 1 canlyniadau
- Copper industry and trade -- Wales -- Llanelli -- Records and correspondence., 1 canlyniadau
- Copper industry and trade -- Wales -- Swansea -- Records and correspondence., 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
- Brest (France), 1 canlyniadau
