Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Swansea (Wales), 1 canlyniadau
- Rhondda (Wales), 1 canlyniadau
- Railroad companies -- Wales -- Glamorgan., 1 canlyniadau
- Railroads -- Wales -- Glamorgan, 1 canlyniadau
- Railroad tunnels -- Wales -- Glamorgan., 1 canlyniadau
- Railroads -- Wales -- Rhondda., 1 canlyniadau
- Railroad tunnels -- Wales -- Rhondda valley., 1 canlyniadau