Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ocean Coal Co., Ltd., 1 canlyniadau
- Barry Dock and Railway Company -- Records and correspondence, 1 canlyniadau
- Ocean Coal Co., Ltd. -- Records and correspondence, 1 canlyniadau
- Barry Dock and Railway Company., 1 canlyniadau
- Davies, Edward, 1852-1898 -- Archives, 1 canlyniadau
- Davies, David, 1818-1890 -- Archives, 1 canlyniadau
- Davies, Edward, 1852-1898, 1 canlyniadau
- Rhondda and Swansea Bay Railway Company -- Records and correspondence, 1 canlyniadau
- Jones, William, fl. 1878-1898, 1 canlyniadau
- Pob un
- Railroad companies -- Wales -- Glamorgan., 2 canlyniadau
- Coal mines and mining -- Wales -- Glamorgan., 1 canlyniadau
- Swansea (Wales), 1 canlyniadau
- Rhondda (Wales), 1 canlyniadau
- Coal trade -- 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
