Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Administration of estates -- Wales -- Glamorgan, 1 canlyniadau
- Copper mines and mining -- Wales -- Swansea, 1 canlyniadau
- Copper mines and mining -- England -- Cornwall, 1 canlyniadau
- Urbanization -- Wales -- Swansea, 1 canlyniadau
- Industrial revolution -- Wales -- Swansea, 1 canlyniadau
- Swansea (Wales) -- History -- 19th century, 1 canlyniadau